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Finding the Fourth Proportional to 173,266.87, 239,110.28 and 101,648.11

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Solution

The fourth proportional to 173,266.87, 239,110.28 and 101,648.11 is: 140,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,266.87 : 239,110.28 = 101,648.11 : x
  2. Step 2: Convert to fraction form
    173,266.87/239,110.28 = 101,648.11/x
  3. Step 3: Cross multiply
    173,266.87x = 239,110.28 × 101,648.11
  4. Step 4: Simplify right side
    173,266.87x = 24,305,107,535.33
  5. Step 5: Solve for x
    x = 24,305,107,535.33/173,266.87
  6. Step 6: Final answer
    x = 140,275.56

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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.