Home / 154,335.70-231,547.38-49,162.78

Finding the Fourth Proportional to 154,335.70, 231,547.38 and 49,162.78

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Solution

The fourth proportional to 154,335.70, 231,547.38 and 49,162.78 is: 73,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,335.70 : 231,547.38 = 49,162.78 : x
  2. Step 2: Convert to fraction form
    154,335.70/231,547.38 = 49,162.78/x
  3. Step 3: Cross multiply
    154,335.70x = 231,547.38 × 49,162.78
  4. Step 4: Simplify right side
    154,335.70x = 11,383,512,902.52
  5. Step 5: Solve for x
    x = 11,383,512,902.52/154,335.70
  6. Step 6: Final answer
    x = 73,758.13

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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.