Home / 133,023.17-199,604.82-76,902.71

Finding the Fourth Proportional to 133,023.17, 199,604.82 and 76,902.71

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Solution

The fourth proportional to 133,023.17, 199,604.82 and 76,902.71 is: 115,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.17 : 199,604.82 = 76,902.71 : x
  2. Step 2: Convert to fraction form
    133,023.17/199,604.82 = 76,902.71/x
  3. Step 3: Cross multiply
    133,023.17x = 199,604.82 × 76,902.71
  4. Step 4: Simplify right side
    133,023.17x = 15,350,150,589.04
  5. Step 5: Solve for x
    x = 15,350,150,589.04/133,023.17
  6. Step 6: Final answer
    x = 115,394.57

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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.