Home / 203,194.20-280,545.02-126,829.64

Finding the Fourth Proportional to 203,194.20, 280,545.02 and 126,829.64

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Solution

The fourth proportional to 203,194.20, 280,545.02 and 126,829.64 is: 175,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,194.20 : 280,545.02 = 126,829.64 : x
  2. Step 2: Convert to fraction form
    203,194.20/280,545.02 = 126,829.64/x
  3. Step 3: Cross multiply
    203,194.20x = 280,545.02 × 126,829.64
  4. Step 4: Simplify right side
    203,194.20x = 35,581,423,890.39
  5. Step 5: Solve for x
    x = 35,581,423,890.39/203,194.20
  6. Step 6: Final answer
    x = 175,110.43

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1.5x scale

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.