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Finding the Fourth Proportional to 101,537, 140,101.62 and 65,722.04

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Solution

The fourth proportional to 101,537, 140,101.62 and 65,722.04 is: 90,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537 : 140,101.62 = 65,722.04 : x
  2. Step 2: Convert to fraction form
    101,537/140,101.62 = 65,722.04/x
  3. Step 3: Cross multiply
    101,537x = 140,101.62 × 65,722.04
  4. Step 4: Simplify right side
    101,537x = 9,207,764,273.70
  5. Step 5: Solve for x
    x = 9,207,764,273.70/101,537
  6. Step 6: Final answer
    x = 90,683.83

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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.