Home / 131,600.43-181,608.07-71,171.14

Finding the Fourth Proportional to 131,600.43, 181,608.07 and 71,171.14

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Solution

The fourth proportional to 131,600.43, 181,608.07 and 71,171.14 is: 98,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,600.43 : 181,608.07 = 71,171.14 : x
  2. Step 2: Convert to fraction form
    131,600.43/181,608.07 = 71,171.14/x
  3. Step 3: Cross multiply
    131,600.43x = 181,608.07 × 71,171.14
  4. Step 4: Simplify right side
    131,600.43x = 12,925,253,375.10
  5. Step 5: Solve for x
    x = 12,925,253,375.10/131,600.43
  6. Step 6: Final answer
    x = 98,215.89

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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.