Home / 495,951.20-743,926.80-121,974.20

Finding the Fourth Proportional to 495,951.20, 743,926.80 and 121,974.20

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Solution

The fourth proportional to 495,951.20, 743,926.80 and 121,974.20 is: 182,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,951.20 : 743,926.80 = 121,974.20 : x
  2. Step 2: Convert to fraction form
    495,951.20/743,926.80 = 121,974.20/x
  3. Step 3: Cross multiply
    495,951.20x = 743,926.80 × 121,974.20
  4. Step 4: Simplify right side
    495,951.20x = 90,739,876,288.56
  5. Step 5: Solve for x
    x = 90,739,876,288.56/495,951.20
  6. Step 6: Final answer
    x = 182,961.30

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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.