Home / 234,615.76-351,888-76,840.72

Finding the Fourth Proportional to 234,615.76, 351,888 and 76,840.72

Calculator

Solution

The fourth proportional to 234,615.76, 351,888 and 76,840.72 is: 115,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,615.76 : 351,888 = 76,840.72 : x
  2. Step 2: Convert to fraction form
    234,615.76/351,888 = 76,840.72/x
  3. Step 3: Cross multiply
    234,615.76x = 351,888 × 76,840.72
  4. Step 4: Simplify right side
    234,615.76x = 27,039,327,279.36
  5. Step 5: Solve for x
    x = 27,039,327,279.36/234,615.76
  6. Step 6: Final answer
    x = 115,249.41

Related Problems

Find fourth proportional to 117,307.88, 175,944 and 38,420.36
Half scale
Find fourth proportional to 469,231.52, 703,776 and 153,681.44
Double scale
Find fourth proportional to 234,616.76, 351,889.50 and 76,841.72
Similar ratio
Find fourth proportional to 351,923.64, 527,832 and 115,261.08
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.