Home / 187,152.86-280,645.88-54,001.48

Finding the Fourth Proportional to 187,152.86, 280,645.88 and 54,001.48

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Solution

The fourth proportional to 187,152.86, 280,645.88 and 54,001.48 is: 80,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,152.86 : 280,645.88 = 54,001.48 : x
  2. Step 2: Convert to fraction form
    187,152.86/280,645.88 = 54,001.48/x
  3. Step 3: Cross multiply
    187,152.86x = 280,645.88 × 54,001.48
  4. Step 4: Simplify right side
    187,152.86x = 15,155,292,875.90
  5. Step 5: Solve for x
    x = 15,155,292,875.90/187,152.86
  6. Step 6: Final answer
    x = 80,978.15

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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.