Home / 132,320.45-182,591.42-77,863.95

Finding the Fourth Proportional to 132,320.45, 182,591.42 and 77,863.95

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Solution

The fourth proportional to 132,320.45, 182,591.42 and 77,863.95 is: 107,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,320.45 : 182,591.42 = 77,863.95 : x
  2. Step 2: Convert to fraction form
    132,320.45/182,591.42 = 77,863.95/x
  3. Step 3: Cross multiply
    132,320.45x = 182,591.42 × 77,863.95
  4. Step 4: Simplify right side
    132,320.45x = 14,217,288,807.99
  5. Step 5: Solve for x
    x = 14,217,288,807.99/132,320.45
  6. Step 6: Final answer
    x = 107,445.89

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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.