Home / 87,248.13-130,893.08-28,089.33

Finding the Fourth Proportional to 87,248.13, 130,893.08 and 28,089.33

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Solution

The fourth proportional to 87,248.13, 130,893.08 and 28,089.33 is: 42,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248.13 : 130,893.08 = 28,089.33 : x
  2. Step 2: Convert to fraction form
    87,248.13/130,893.08 = 28,089.33/x
  3. Step 3: Cross multiply
    87,248.13x = 130,893.08 × 28,089.33
  4. Step 4: Simplify right side
    87,248.13x = 3,676,698,778.39
  5. Step 5: Solve for x
    x = 3,676,698,778.39/87,248.13
  6. Step 6: Final answer
    x = 42,140.72

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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.