Home / 187,347.70-281,036.22-54,229.96

Finding the Fourth Proportional to 187,347.70, 281,036.22 and 54,229.96

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Solution

The fourth proportional to 187,347.70, 281,036.22 and 54,229.96 is: 81,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,347.70 : 281,036.22 = 54,229.96 : x
  2. Step 2: Convert to fraction form
    187,347.70/281,036.22 = 54,229.96/x
  3. Step 3: Cross multiply
    187,347.70x = 281,036.22 × 54,229.96
  4. Step 4: Simplify right side
    187,347.70x = 15,240,582,969.15
  5. Step 5: Solve for x
    x = 15,240,582,969.15/187,347.70
  6. Step 6: Final answer
    x = 81,349.19

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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.