Home / 137,382.45-206,132.94-74,190

Finding the Fourth Proportional to 137,382.45, 206,132.94 and 74,190

Calculator

Solution

The fourth proportional to 137,382.45, 206,132.94 and 74,190 is: 111,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,382.45 : 206,132.94 = 74,190 : x
  2. Step 2: Convert to fraction form
    137,382.45/206,132.94 = 74,190/x
  3. Step 3: Cross multiply
    137,382.45x = 206,132.94 × 74,190
  4. Step 4: Simplify right side
    137,382.45x = 15,293,002,818.60
  5. Step 5: Solve for x
    x = 15,293,002,818.60/137,382.45
  6. Step 6: Final answer
    x = 111,317.00

Related Problems

Find fourth proportional to 68,691.23, 103,066.47 and 37,095
Half scale
Find fourth proportional to 274,764.90, 412,265.88 and 148,380
Double scale
Find fourth proportional to 137,383.45, 206,134.44 and 74,191
Similar ratio
Find fourth proportional to 206,073.68, 309,199.41 and 111,285
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.