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Finding the Fourth Proportional to 162,997.92, 224,924.85 and 91,376.10

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Solution

The fourth proportional to 162,997.92, 224,924.85 and 91,376.10 is: 126,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,997.92 : 224,924.85 = 91,376.10 : x
  2. Step 2: Convert to fraction form
    162,997.92/224,924.85 = 91,376.10/x
  3. Step 3: Cross multiply
    162,997.92x = 224,924.85 × 91,376.10
  4. Step 4: Simplify right side
    162,997.92x = 20,552,755,586.09
  5. Step 5: Solve for x
    x = 20,552,755,586.09/162,997.92
  6. Step 6: Final answer
    x = 126,092.13

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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.