Home / 101,528.28-152,125.97-71,892.92

Finding the Fourth Proportional to 101,528.28, 152,125.97 and 71,892.92

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Solution

The fourth proportional to 101,528.28, 152,125.97 and 71,892.92 is: 107,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,528.28 : 152,125.97 = 71,892.92 : x
  2. Step 2: Convert to fraction form
    101,528.28/152,125.97 = 71,892.92/x
  3. Step 3: Cross multiply
    101,528.28x = 152,125.97 × 71,892.92
  4. Step 4: Simplify right side
    101,528.28x = 10,936,780,211.98
  5. Step 5: Solve for x
    x = 10,936,780,211.98/101,528.28
  6. Step 6: Final answer
    x = 107,721.52

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1.5x scale

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.