Home / 69,154.68-103,732.02-19,232.76

Finding the Fourth Proportional to 69,154.68, 103,732.02 and 19,232.76

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Solution

The fourth proportional to 69,154.68, 103,732.02 and 19,232.76 is: 28,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,154.68 : 103,732.02 = 19,232.76 : x
  2. Step 2: Convert to fraction form
    69,154.68/103,732.02 = 19,232.76/x
  3. Step 3: Cross multiply
    69,154.68x = 103,732.02 × 19,232.76
  4. Step 4: Simplify right side
    69,154.68x = 1,995,053,044.98
  5. Step 5: Solve for x
    x = 1,995,053,044.98/69,154.68
  6. Step 6: Final answer
    x = 28,849.14

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Similar ratio
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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.