Home / 187,401.57-281,102.36-54,281.87

Finding the Fourth Proportional to 187,401.57, 281,102.36 and 54,281.87

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Solution

The fourth proportional to 187,401.57, 281,102.36 and 54,281.87 is: 81,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.57 : 281,102.36 = 54,281.87 : x
  2. Step 2: Convert to fraction form
    187,401.57/281,102.36 = 54,281.87/x
  3. Step 3: Cross multiply
    187,401.57x = 281,102.36 × 54,281.87
  4. Step 4: Simplify right side
    187,401.57x = 15,258,761,139.43
  5. Step 5: Solve for x
    x = 15,258,761,139.43/187,401.57
  6. Step 6: Final answer
    x = 81,422.80

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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.