Home / 112,197.09-168,304.92-80,753.52

Finding the Fourth Proportional to 112,197.09, 168,304.92 and 80,753.52

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Solution

The fourth proportional to 112,197.09, 168,304.92 and 80,753.52 is: 121,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.09 : 168,304.92 = 80,753.52 : x
  2. Step 2: Convert to fraction form
    112,197.09/168,304.92 = 80,753.52/x
  3. Step 3: Cross multiply
    112,197.09x = 168,304.92 × 80,753.52
  4. Step 4: Simplify right side
    112,197.09x = 13,591,214,723.32
  5. Step 5: Solve for x
    x = 13,591,214,723.32/112,197.09
  6. Step 6: Final answer
    x = 121,136.96

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1.5x scale

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.