Home / 230,375.48-345,420.66-89,969

Finding the Fourth Proportional to 230,375.48, 345,420.66 and 89,969

Calculator

Solution

The fourth proportional to 230,375.48, 345,420.66 and 89,969 is: 134,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,375.48 : 345,420.66 = 89,969 : x
  2. Step 2: Convert to fraction form
    230,375.48/345,420.66 = 89,969/x
  3. Step 3: Cross multiply
    230,375.48x = 345,420.66 × 89,969
  4. Step 4: Simplify right side
    230,375.48x = 31,077,151,359.54
  5. Step 5: Solve for x
    x = 31,077,151,359.54/230,375.48
  6. Step 6: Final answer
    x = 134,897.83

Related Problems

Find fourth proportional to 115,187.74, 172,710.33 and 44,984.50
Half scale
Find fourth proportional to 460,750.96, 690,841.32 and 179,938
Double scale
Find fourth proportional to 230,376.48, 345,422.16 and 89,970
Similar ratio
Find fourth proportional to 345,563.22, 518,130.99 and 134,953.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.