Home / 132,284.91-182,524.66-78,587.98

Finding the Fourth Proportional to 132,284.91, 182,524.66 and 78,587.98

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Solution

The fourth proportional to 132,284.91, 182,524.66 and 78,587.98 is: 108,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,284.91 : 182,524.66 = 78,587.98 : x
  2. Step 2: Convert to fraction form
    132,284.91/182,524.66 = 78,587.98/x
  3. Step 3: Cross multiply
    132,284.91x = 182,524.66 × 78,587.98
  4. Step 4: Simplify right side
    132,284.91x = 14,344,244,329.59
  5. Step 5: Solve for x
    x = 14,344,244,329.59/132,284.91
  6. Step 6: Final answer
    x = 108,434.47

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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.