Home / 187,153.98-280,647.56-54,002.61

Finding the Fourth Proportional to 187,153.98, 280,647.56 and 54,002.61

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Solution

The fourth proportional to 187,153.98, 280,647.56 and 54,002.61 is: 80,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,153.98 : 280,647.56 = 54,002.61 : x
  2. Step 2: Convert to fraction form
    187,153.98/280,647.56 = 54,002.61/x
  3. Step 3: Cross multiply
    187,153.98x = 280,647.56 × 54,002.61
  4. Step 4: Simplify right side
    187,153.98x = 15,155,700,460.12
  5. Step 5: Solve for x
    x = 15,155,700,460.12/187,153.98
  6. Step 6: Final answer
    x = 80,979.85

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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.