Home / 158,723.55-238,085.33-123,689.43

Finding the Fourth Proportional to 158,723.55, 238,085.33 and 123,689.43

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Solution

The fourth proportional to 158,723.55, 238,085.33 and 123,689.43 is: 185,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,723.55 : 238,085.33 = 123,689.43 : x
  2. Step 2: Convert to fraction form
    158,723.55/238,085.33 = 123,689.43/x
  3. Step 3: Cross multiply
    158,723.55x = 238,085.33 × 123,689.43
  4. Step 4: Simplify right side
    158,723.55x = 29,448,638,140.61
  5. Step 5: Solve for x
    x = 29,448,638,140.61/158,723.55
  6. Step 6: Final answer
    x = 185,534.15

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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.