Home / 102,001.27-140,721.46-58,972.88

Finding the Fourth Proportional to 102,001.27, 140,721.46 and 58,972.88

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Solution

The fourth proportional to 102,001.27, 140,721.46 and 58,972.88 is: 81,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,001.27 : 140,721.46 = 58,972.88 : x
  2. Step 2: Convert to fraction form
    102,001.27/140,721.46 = 58,972.88/x
  3. Step 3: Cross multiply
    102,001.27x = 140,721.46 × 58,972.88
  4. Step 4: Simplify right side
    102,001.27x = 8,298,749,774.00
  5. Step 5: Solve for x
    x = 8,298,749,774.00/102,001.27
  6. Step 6: Final answer
    x = 81,359.28

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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.