Home / 138,287.10-207,462.74-43,514.82

Finding the Fourth Proportional to 138,287.10, 207,462.74 and 43,514.82

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Solution

The fourth proportional to 138,287.10, 207,462.74 and 43,514.82 is: 65,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,287.10 : 207,462.74 = 43,514.82 : x
  2. Step 2: Convert to fraction form
    138,287.10/207,462.74 = 43,514.82/x
  3. Step 3: Cross multiply
    138,287.10x = 207,462.74 × 43,514.82
  4. Step 4: Simplify right side
    138,287.10x = 9,027,703,570.23
  5. Step 5: Solve for x
    x = 9,027,703,570.23/138,287.10
  6. Step 6: Final answer
    x = 65,282.33

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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.