Home / 187,939.56-281,881.98-54,784.08

Finding the Fourth Proportional to 187,939.56, 281,881.98 and 54,784.08

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Solution

The fourth proportional to 187,939.56, 281,881.98 and 54,784.08 is: 82,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,939.56 : 281,881.98 = 54,784.08 : x
  2. Step 2: Convert to fraction form
    187,939.56/281,881.98 = 54,784.08/x
  3. Step 3: Cross multiply
    187,939.56x = 281,881.98 × 54,784.08
  4. Step 4: Simplify right side
    187,939.56x = 15,442,644,942.88
  5. Step 5: Solve for x
    x = 15,442,644,942.88/187,939.56
  6. Step 6: Final answer
    x = 82,168.14

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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.