Home / 131,539.68-181,524.48-74,951.04

Finding the Fourth Proportional to 131,539.68, 181,524.48 and 74,951.04

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Solution

The fourth proportional to 131,539.68, 181,524.48 and 74,951.04 is: 103,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,539.68 : 181,524.48 = 74,951.04 : x
  2. Step 2: Convert to fraction form
    131,539.68/181,524.48 = 74,951.04/x
  3. Step 3: Cross multiply
    131,539.68x = 181,524.48 × 74,951.04
  4. Step 4: Simplify right side
    131,539.68x = 13,605,448,561.46
  5. Step 5: Solve for x
    x = 13,605,448,561.46/131,539.68
  6. Step 6: Final answer
    x = 103,432.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.