Home / 187,708.80-281,604.71-103,425.57

Finding the Fourth Proportional to 187,708.80, 281,604.71 and 103,425.57

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Solution

The fourth proportional to 187,708.80, 281,604.71 and 103,425.57 is: 155,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708.80 : 281,604.71 = 103,425.57 : x
  2. Step 2: Convert to fraction form
    187,708.80/281,604.71 = 103,425.57/x
  3. Step 3: Cross multiply
    187,708.80x = 281,604.71 × 103,425.57
  4. Step 4: Simplify right side
    187,708.80x = 29,125,127,646.43
  5. Step 5: Solve for x
    x = 29,125,127,646.43/187,708.80
  6. Step 6: Final answer
    x = 155,161.23

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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.