Home / 187,780.83-281,715-54,675.15

Finding the Fourth Proportional to 187,780.83, 281,715 and 54,675.15

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Solution

The fourth proportional to 187,780.83, 281,715 and 54,675.15 is: 82,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,780.83 : 281,715 = 54,675.15 : x
  2. Step 2: Convert to fraction form
    187,780.83/281,715 = 54,675.15/x
  3. Step 3: Cross multiply
    187,780.83x = 281,715 × 54,675.15
  4. Step 4: Simplify right side
    187,780.83x = 15,402,809,882.25
  5. Step 5: Solve for x
    x = 15,402,809,882.25/187,780.83
  6. Step 6: Final answer
    x = 82,025.46

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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.