Home / 187,423.70-281,150.13-54,305.87

Finding the Fourth Proportional to 187,423.70, 281,150.13 and 54,305.87

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Solution

The fourth proportional to 187,423.70, 281,150.13 and 54,305.87 is: 81,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,423.70 : 281,150.13 = 54,305.87 : x
  2. Step 2: Convert to fraction form
    187,423.70/281,150.13 = 54,305.87/x
  3. Step 3: Cross multiply
    187,423.70x = 281,150.13 × 54,305.87
  4. Step 4: Simplify right side
    187,423.70x = 15,268,102,410.26
  5. Step 5: Solve for x
    x = 15,268,102,410.26/187,423.70
  6. Step 6: Final answer
    x = 81,463.03

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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.