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Finding the Fourth Proportional to 169,532, 254,343.36 and 58,724

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Solution

The fourth proportional to 169,532, 254,343.36 and 58,724 is: 88,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,532 : 254,343.36 = 58,724 : x
  2. Step 2: Convert to fraction form
    169,532/254,343.36 = 58,724/x
  3. Step 3: Cross multiply
    169,532x = 254,343.36 × 58,724
  4. Step 4: Simplify right side
    169,532x = 14,936,059,472.64
  5. Step 5: Solve for x
    x = 14,936,059,472.64/169,532
  6. Step 6: Final answer
    x = 88,101.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.