Home / 154,555.26-231,452.73-75,414.30

Finding the Fourth Proportional to 154,555.26, 231,452.73 and 75,414.30

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Solution

The fourth proportional to 154,555.26, 231,452.73 and 75,414.30 is: 112,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555.26 : 231,452.73 = 75,414.30 : x
  2. Step 2: Convert to fraction form
    154,555.26/231,452.73 = 75,414.30/x
  3. Step 3: Cross multiply
    154,555.26x = 231,452.73 × 75,414.30
  4. Step 4: Simplify right side
    154,555.26x = 17,454,845,616.04
  5. Step 5: Solve for x
    x = 17,454,845,616.04/154,555.26
  6. Step 6: Final answer
    x = 112,935.95

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1.5x scale

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.