Home / 154,540.28-231,959.88-74,634.26

Finding the Fourth Proportional to 154,540.28, 231,959.88 and 74,634.26

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Solution

The fourth proportional to 154,540.28, 231,959.88 and 74,634.26 is: 112,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,540.28 : 231,959.88 = 74,634.26 : x
  2. Step 2: Convert to fraction form
    154,540.28/231,959.88 = 74,634.26/x
  3. Step 3: Cross multiply
    154,540.28x = 231,959.88 × 74,634.26
  4. Step 4: Simplify right side
    154,540.28x = 17,312,153,993.49
  5. Step 5: Solve for x
    x = 17,312,153,993.49/154,540.28
  6. Step 6: Final answer
    x = 112,023.57

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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.