Home / 87,795.04-131,766.40-82,259.20

Finding the Fourth Proportional to 87,795.04, 131,766.40 and 82,259.20

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Solution

The fourth proportional to 87,795.04, 131,766.40 and 82,259.20 is: 123,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795.04 : 131,766.40 = 82,259.20 : x
  2. Step 2: Convert to fraction form
    87,795.04/131,766.40 = 82,259.20/x
  3. Step 3: Cross multiply
    87,795.04x = 131,766.40 × 82,259.20
  4. Step 4: Simplify right side
    87,795.04x = 10,838,997,714.52
  5. Step 5: Solve for x
    x = 10,838,997,714.52/87,795.04
  6. Step 6: Final answer
    x = 123,457.97

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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.