Home / 154,382.90-231,204.65-98,046.72

Finding the Fourth Proportional to 154,382.90, 231,204.65 and 98,046.72

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Solution

The fourth proportional to 154,382.90, 231,204.65 and 98,046.72 is: 146,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,382.90 : 231,204.65 = 98,046.72 : x
  2. Step 2: Convert to fraction form
    154,382.90/231,204.65 = 98,046.72/x
  3. Step 3: Cross multiply
    154,382.90x = 231,204.65 × 98,046.72
  4. Step 4: Simplify right side
    154,382.90x = 22,668,857,091.01
  5. Step 5: Solve for x
    x = 22,668,857,091.01/154,382.90
  6. Step 6: Final answer
    x = 146,835.29

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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.