Home / 87,244.88-130,888.20-28,086.08

Finding the Fourth Proportional to 87,244.88, 130,888.20 and 28,086.08

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Solution

The fourth proportional to 87,244.88, 130,888.20 and 28,086.08 is: 42,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.88 : 130,888.20 = 28,086.08 : x
  2. Step 2: Convert to fraction form
    87,244.88/130,888.20 = 28,086.08/x
  3. Step 3: Cross multiply
    87,244.88x = 130,888.20 × 28,086.08
  4. Step 4: Simplify right side
    87,244.88x = 3,676,136,456.26
  5. Step 5: Solve for x
    x = 3,676,136,456.26/87,244.88
  6. Step 6: Final answer
    x = 42,135.84

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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.