Home / 131,331.92-181,242.36-73,972.31

Finding the Fourth Proportional to 131,331.92, 181,242.36 and 73,972.31

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Solution

The fourth proportional to 131,331.92, 181,242.36 and 73,972.31 is: 102,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,331.92 : 181,242.36 = 73,972.31 : x
  2. Step 2: Convert to fraction form
    131,331.92/181,242.36 = 73,972.31/x
  3. Step 3: Cross multiply
    131,331.92x = 181,242.36 × 73,972.31
  4. Step 4: Simplify right side
    131,331.92x = 13,406,915,132.84
  5. Step 5: Solve for x
    x = 13,406,915,132.84/131,331.92
  6. Step 6: Final answer
    x = 102,084.21

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1.5x scale

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.