Home / 154,631.10-231,946.65-115,265.10

Finding the Fourth Proportional to 154,631.10, 231,946.65 and 115,265.10

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Solution

The fourth proportional to 154,631.10, 231,946.65 and 115,265.10 is: 172,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,631.10 : 231,946.65 = 115,265.10 : x
  2. Step 2: Convert to fraction form
    154,631.10/231,946.65 = 115,265.10/x
  3. Step 3: Cross multiply
    154,631.10x = 231,946.65 × 115,265.10
  4. Step 4: Simplify right side
    154,631.10x = 26,735,353,806.92
  5. Step 5: Solve for x
    x = 26,735,353,806.92/154,631.10
  6. Step 6: Final answer
    x = 172,897.65

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Similar ratio
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1.5x scale

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.