Home / 129,662.85-194,383.32-49,758.15

Finding the Fourth Proportional to 129,662.85, 194,383.32 and 49,758.15

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Solution

The fourth proportional to 129,662.85, 194,383.32 and 49,758.15 is: 74,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,662.85 : 194,383.32 = 49,758.15 : x
  2. Step 2: Convert to fraction form
    129,662.85/194,383.32 = 49,758.15/x
  3. Step 3: Cross multiply
    129,662.85x = 194,383.32 × 49,758.15
  4. Step 4: Simplify right side
    129,662.85x = 9,672,154,394.06
  5. Step 5: Solve for x
    x = 9,672,154,394.06/129,662.85
  6. Step 6: Final answer
    x = 74,594.65

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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.