Home / 187,354.45-281,046.35-54,236.71

Finding the Fourth Proportional to 187,354.45, 281,046.35 and 54,236.71

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Solution

The fourth proportional to 187,354.45, 281,046.35 and 54,236.71 is: 81,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,354.45 : 281,046.35 = 54,236.71 : x
  2. Step 2: Convert to fraction form
    187,354.45/281,046.35 = 54,236.71/x
  3. Step 3: Cross multiply
    187,354.45x = 281,046.35 × 54,236.71
  4. Step 4: Simplify right side
    187,354.45x = 15,243,029,110.32
  5. Step 5: Solve for x
    x = 15,243,029,110.32/187,354.45
  6. Step 6: Final answer
    x = 81,359.31

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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.