Home / 154,285.20-231,382.44-65,538

Finding the Fourth Proportional to 154,285.20, 231,382.44 and 65,538

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Solution

The fourth proportional to 154,285.20, 231,382.44 and 65,538 is: 98,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,285.20 : 231,382.44 = 65,538 : x
  2. Step 2: Convert to fraction form
    154,285.20/231,382.44 = 65,538/x
  3. Step 3: Cross multiply
    154,285.20x = 231,382.44 × 65,538
  4. Step 4: Simplify right side
    154,285.20x = 15,164,342,352.72
  5. Step 5: Solve for x
    x = 15,164,342,352.72/154,285.20
  6. Step 6: Final answer
    x = 98,287.73

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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.