Home / 87,254.60-130,907.68-28,088.82

Finding the Fourth Proportional to 87,254.60, 130,907.68 and 28,088.82

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Solution

The fourth proportional to 87,254.60, 130,907.68 and 28,088.82 is: 42,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,254.60 : 130,907.68 = 28,088.82 : x
  2. Step 2: Convert to fraction form
    87,254.60/130,907.68 = 28,088.82/x
  3. Step 3: Cross multiply
    87,254.60x = 130,907.68 × 28,088.82
  4. Step 4: Simplify right side
    87,254.60x = 3,677,042,189.92
  5. Step 5: Solve for x
    x = 3,677,042,189.92/87,254.60
  6. Step 6: Final answer
    x = 42,141.53

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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.