Home / 138,026.50-207,040.07-41,964.56

Finding the Fourth Proportional to 138,026.50, 207,040.07 and 41,964.56

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Solution

The fourth proportional to 138,026.50, 207,040.07 and 41,964.56 is: 62,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,026.50 : 207,040.07 = 41,964.56 : x
  2. Step 2: Convert to fraction form
    138,026.50/207,040.07 = 41,964.56/x
  3. Step 3: Cross multiply
    138,026.50x = 207,040.07 × 41,964.56
  4. Step 4: Simplify right side
    138,026.50x = 8,688,345,016.52
  5. Step 5: Solve for x
    x = 8,688,345,016.52/138,026.50
  6. Step 6: Final answer
    x = 62,946.94

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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.