Home / 132,565.09-182,936.83-72,135.91

Finding the Fourth Proportional to 132,565.09, 182,936.83 and 72,135.91

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Solution

The fourth proportional to 132,565.09, 182,936.83 and 72,135.91 is: 99,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.09 : 182,936.83 = 72,135.91 : x
  2. Step 2: Convert to fraction form
    132,565.09/182,936.83 = 72,135.91/x
  3. Step 3: Cross multiply
    132,565.09x = 182,936.83 × 72,135.91
  4. Step 4: Simplify right side
    132,565.09x = 13,196,314,704.57
  5. Step 5: Solve for x
    x = 13,196,314,704.57/132,565.09
  6. Step 6: Final answer
    x = 99,545.93

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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.