Home / 138,467.39-207,738.27-43,701.23

Finding the Fourth Proportional to 138,467.39, 207,738.27 and 43,701.23

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Solution

The fourth proportional to 138,467.39, 207,738.27 and 43,701.23 is: 65,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,467.39 : 207,738.27 = 43,701.23 : x
  2. Step 2: Convert to fraction form
    138,467.39/207,738.27 = 43,701.23/x
  3. Step 3: Cross multiply
    138,467.39x = 207,738.27 × 43,701.23
  4. Step 4: Simplify right side
    138,467.39x = 9,078,418,805.34
  5. Step 5: Solve for x
    x = 9,078,418,805.34/138,467.39
  6. Step 6: Final answer
    x = 65,563.59

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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.