Home / 101,501.28-152,251.92-31,379.04

Finding the Fourth Proportional to 101,501.28, 152,251.92 and 31,379.04

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Solution

The fourth proportional to 101,501.28, 152,251.92 and 31,379.04 is: 47,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,501.28 : 152,251.92 = 31,379.04 : x
  2. Step 2: Convert to fraction form
    101,501.28/152,251.92 = 31,379.04/x
  3. Step 3: Cross multiply
    101,501.28x = 152,251.92 × 31,379.04
  4. Step 4: Simplify right side
    101,501.28x = 4,777,519,087.76
  5. Step 5: Solve for x
    x = 4,777,519,087.76/101,501.28
  6. Step 6: Final answer
    x = 47,068.56

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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.