Home / 154,427.52-231,581.76-65,723.04

Finding the Fourth Proportional to 154,427.52, 231,581.76 and 65,723.04

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Solution

The fourth proportional to 154,427.52, 231,581.76 and 65,723.04 is: 98,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,427.52 : 231,581.76 = 65,723.04 : x
  2. Step 2: Convert to fraction form
    154,427.52/231,581.76 = 65,723.04/x
  3. Step 3: Cross multiply
    154,427.52x = 231,581.76 × 65,723.04
  4. Step 4: Simplify right side
    154,427.52x = 15,220,257,275.75
  5. Step 5: Solve for x
    x = 15,220,257,275.75/154,427.52
  6. Step 6: Final answer
    x = 98,559.23

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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.