Home / 154,538.28-231,956.88-74,632.26

Finding the Fourth Proportional to 154,538.28, 231,956.88 and 74,632.26

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Solution

The fourth proportional to 154,538.28, 231,956.88 and 74,632.26 is: 112,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,538.28 : 231,956.88 = 74,632.26 : x
  2. Step 2: Convert to fraction form
    154,538.28/231,956.88 = 74,632.26/x
  3. Step 3: Cross multiply
    154,538.28x = 231,956.88 × 74,632.26
  4. Step 4: Simplify right side
    154,538.28x = 17,311,466,176.95
  5. Step 5: Solve for x
    x = 17,311,466,176.95/154,538.28
  6. Step 6: Final answer
    x = 112,020.57

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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.