Home / 138,240.27-207,396.66-43,466.61

Finding the Fourth Proportional to 138,240.27, 207,396.66 and 43,466.61

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Solution

The fourth proportional to 138,240.27, 207,396.66 and 43,466.61 is: 65,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,240.27 : 207,396.66 = 43,466.61 : x
  2. Step 2: Convert to fraction form
    138,240.27/207,396.66 = 43,466.61/x
  3. Step 3: Cross multiply
    138,240.27x = 207,396.66 × 43,466.61
  4. Step 4: Simplify right side
    138,240.27x = 9,014,829,735.52
  5. Step 5: Solve for x
    x = 9,014,829,735.52/138,240.27
  6. Step 6: Final answer
    x = 65,211.31

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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.