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Finding the Fourth Proportional to 101,526, 140,086.44 and 65,711.04

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Solution

The fourth proportional to 101,526, 140,086.44 and 65,711.04 is: 90,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,526 : 140,086.44 = 65,711.04 : x
  2. Step 2: Convert to fraction form
    101,526/140,086.44 = 65,711.04/x
  3. Step 3: Cross multiply
    101,526x = 140,086.44 × 65,711.04
  4. Step 4: Simplify right side
    101,526x = 9,205,225,662.30
  5. Step 5: Solve for x
    x = 9,205,225,662.30/101,526
  6. Step 6: Final answer
    x = 90,668.65

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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.