Home / 114,943.20-172,414.80-79,951.20

Finding the Fourth Proportional to 114,943.20, 172,414.80 and 79,951.20

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Solution

The fourth proportional to 114,943.20, 172,414.80 and 79,951.20 is: 119,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,943.20 : 172,414.80 = 79,951.20 : x
  2. Step 2: Convert to fraction form
    114,943.20/172,414.80 = 79,951.20/x
  3. Step 3: Cross multiply
    114,943.20x = 172,414.80 × 79,951.20
  4. Step 4: Simplify right side
    114,943.20x = 13,784,770,157.76
  5. Step 5: Solve for x
    x = 13,784,770,157.76/114,943.20
  6. Step 6: Final answer
    x = 119,926.80

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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.