Home / 140,077.46-193,306.48-76,414.80

Finding the Fourth Proportional to 140,077.46, 193,306.48 and 76,414.80

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Solution

The fourth proportional to 140,077.46, 193,306.48 and 76,414.80 is: 105,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,077.46 : 193,306.48 = 76,414.80 : x
  2. Step 2: Convert to fraction form
    140,077.46/193,306.48 = 76,414.80/x
  3. Step 3: Cross multiply
    140,077.46x = 193,306.48 × 76,414.80
  4. Step 4: Simplify right side
    140,077.46x = 14,771,476,007.90
  5. Step 5: Solve for x
    x = 14,771,476,007.90/140,077.46
  6. Step 6: Final answer
    x = 105,452.20

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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.