Home / 154,578.30-231,861.36-54,734.46

Finding the Fourth Proportional to 154,578.30, 231,861.36 and 54,734.46

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Solution

The fourth proportional to 154,578.30, 231,861.36 and 54,734.46 is: 82,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,578.30 : 231,861.36 = 54,734.46 : x
  2. Step 2: Convert to fraction form
    154,578.30/231,861.36 = 54,734.46/x
  3. Step 3: Cross multiply
    154,578.30x = 231,861.36 × 54,734.46
  4. Step 4: Simplify right side
    154,578.30x = 12,690,806,334.47
  5. Step 5: Solve for x
    x = 12,690,806,334.47/154,578.30
  6. Step 6: Final answer
    x = 82,099.53

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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.