Home / 112,977.68-169,470.94-34,091.92

Finding the Fourth Proportional to 112,977.68, 169,470.94 and 34,091.92

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Solution

The fourth proportional to 112,977.68, 169,470.94 and 34,091.92 is: 51,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,977.68 : 169,470.94 = 34,091.92 : x
  2. Step 2: Convert to fraction form
    112,977.68/169,470.94 = 34,091.92/x
  3. Step 3: Cross multiply
    112,977.68x = 169,470.94 × 34,091.92
  4. Step 4: Simplify right side
    112,977.68x = 5,777,589,728.80
  5. Step 5: Solve for x
    x = 5,777,589,728.80/112,977.68
  6. Step 6: Final answer
    x = 51,139.21

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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.