Home / 129,771.70-194,643.15-106,357.30

Finding the Fourth Proportional to 129,771.70, 194,643.15 and 106,357.30

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Solution

The fourth proportional to 129,771.70, 194,643.15 and 106,357.30 is: 159,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,771.70 : 194,643.15 = 106,357.30 : x
  2. Step 2: Convert to fraction form
    129,771.70/194,643.15 = 106,357.30/x
  3. Step 3: Cross multiply
    129,771.70x = 194,643.15 × 106,357.30
  4. Step 4: Simplify right side
    129,771.70x = 20,701,719,897.50
  5. Step 5: Solve for x
    x = 20,701,719,897.50/129,771.70
  6. Step 6: Final answer
    x = 159,524.15

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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.