Home / 129,634.70-194,452.05-94,205.30

Finding the Fourth Proportional to 129,634.70, 194,452.05 and 94,205.30

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Solution

The fourth proportional to 129,634.70, 194,452.05 and 94,205.30 is: 141,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,634.70 : 194,452.05 = 94,205.30 : x
  2. Step 2: Convert to fraction form
    129,634.70/194,452.05 = 94,205.30/x
  3. Step 3: Cross multiply
    129,634.70x = 194,452.05 × 94,205.30
  4. Step 4: Simplify right side
    129,634.70x = 18,318,413,705.87
  5. Step 5: Solve for x
    x = 18,318,413,705.87/129,634.70
  6. Step 6: Final answer
    x = 141,307.95

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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.