Home / 101,972.86-140,660.20-60,551.78

Finding the Fourth Proportional to 101,972.86, 140,660.20 and 60,551.78

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Solution

The fourth proportional to 101,972.86, 140,660.20 and 60,551.78 is: 83,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,972.86 : 140,660.20 = 60,551.78 : x
  2. Step 2: Convert to fraction form
    101,972.86/140,660.20 = 60,551.78/x
  3. Step 3: Cross multiply
    101,972.86x = 140,660.20 × 60,551.78
  4. Step 4: Simplify right side
    101,972.86x = 8,517,225,485.16
  5. Step 5: Solve for x
    x = 8,517,225,485.16/101,972.86
  6. Step 6: Final answer
    x = 83,524.43

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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.