Home / 132,385.28-182,690.78-75,807.59

Finding the Fourth Proportional to 132,385.28, 182,690.78 and 75,807.59

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Solution

The fourth proportional to 132,385.28, 182,690.78 and 75,807.59 is: 104,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,385.28 : 182,690.78 = 75,807.59 : x
  2. Step 2: Convert to fraction form
    132,385.28/182,690.78 = 75,807.59/x
  3. Step 3: Cross multiply
    132,385.28x = 182,690.78 × 75,807.59
  4. Step 4: Simplify right side
    132,385.28x = 13,849,346,454.53
  5. Step 5: Solve for x
    x = 13,849,346,454.53/132,385.28
  6. Step 6: Final answer
    x = 104,613.95

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1.5x scale

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.