Home / 123,181.28-169,990.60-66,592.66

Finding the Fourth Proportional to 123,181.28, 169,990.60 and 66,592.66

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Solution

The fourth proportional to 123,181.28, 169,990.60 and 66,592.66 is: 91,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,181.28 : 169,990.60 = 66,592.66 : x
  2. Step 2: Convert to fraction form
    123,181.28/169,990.60 = 66,592.66/x
  3. Step 3: Cross multiply
    123,181.28x = 169,990.60 × 66,592.66
  4. Step 4: Simplify right side
    123,181.28x = 11,320,126,229.00
  5. Step 5: Solve for x
    x = 11,320,126,229.00/123,181.28
  6. Step 6: Final answer
    x = 91,898.11

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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.