Home / 87,844.93-131,898.62-86,532.73

Finding the Fourth Proportional to 87,844.93, 131,898.62 and 86,532.73

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Solution

The fourth proportional to 87,844.93, 131,898.62 and 86,532.73 is: 129,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.93 : 131,898.62 = 86,532.73 : x
  2. Step 2: Convert to fraction form
    87,844.93/131,898.62 = 86,532.73/x
  3. Step 3: Cross multiply
    87,844.93x = 131,898.62 × 86,532.73
  4. Step 4: Simplify right side
    87,844.93x = 11,413,547,671.83
  5. Step 5: Solve for x
    x = 11,413,547,671.83/87,844.93
  6. Step 6: Final answer
    x = 129,928.36

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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.