Home / 168,460.62-232,391.72-100,429.66

Finding the Fourth Proportional to 168,460.62, 232,391.72 and 100,429.66

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Solution

The fourth proportional to 168,460.62, 232,391.72 and 100,429.66 is: 138,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,460.62 : 232,391.72 = 100,429.66 : x
  2. Step 2: Convert to fraction form
    168,460.62/232,391.72 = 100,429.66/x
  3. Step 3: Cross multiply
    168,460.62x = 232,391.72 × 100,429.66
  4. Step 4: Simplify right side
    168,460.62x = 23,339,020,660.78
  5. Step 5: Solve for x
    x = 23,339,020,660.78/168,460.62
  6. Step 6: Final answer
    x = 138,542.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.