Home / 123,344.57-185,073.26-67,100.40

Finding the Fourth Proportional to 123,344.57, 185,073.26 and 67,100.40

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Solution

The fourth proportional to 123,344.57, 185,073.26 and 67,100.40 is: 100,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.57 : 185,073.26 = 67,100.40 : x
  2. Step 2: Convert to fraction form
    123,344.57/185,073.26 = 67,100.40/x
  3. Step 3: Cross multiply
    123,344.57x = 185,073.26 × 67,100.40
  4. Step 4: Simplify right side
    123,344.57x = 12,418,489,439.80
  5. Step 5: Solve for x
    x = 12,418,489,439.80/123,344.57
  6. Step 6: Final answer
    x = 100,681.28

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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.