Home / 120,197.52-180,229.75-49,170.07

Finding the Fourth Proportional to 120,197.52, 180,229.75 and 49,170.07

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Solution

The fourth proportional to 120,197.52, 180,229.75 and 49,170.07 is: 73,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,197.52 : 180,229.75 = 49,170.07 : x
  2. Step 2: Convert to fraction form
    120,197.52/180,229.75 = 49,170.07/x
  3. Step 3: Cross multiply
    120,197.52x = 180,229.75 × 49,170.07
  4. Step 4: Simplify right side
    120,197.52x = 8,861,908,696.45
  5. Step 5: Solve for x
    x = 8,861,908,696.45/120,197.52
  6. Step 6: Final answer
    x = 73,727.88

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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.