Home / 138,271.92-207,361.76-54,010.24

Finding the Fourth Proportional to 138,271.92, 207,361.76 and 54,010.24

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Solution

The fourth proportional to 138,271.92, 207,361.76 and 54,010.24 is: 80,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,271.92 : 207,361.76 = 54,010.24 : x
  2. Step 2: Convert to fraction form
    138,271.92/207,361.76 = 54,010.24/x
  3. Step 3: Cross multiply
    138,271.92x = 207,361.76 × 54,010.24
  4. Step 4: Simplify right side
    138,271.92x = 11,199,658,424.42
  5. Step 5: Solve for x
    x = 11,199,658,424.42/138,271.92
  6. Step 6: Final answer
    x = 80,997.35

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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.