Home / 129,829.70-194,744.55-66,844.10

Finding the Fourth Proportional to 129,829.70, 194,744.55 and 66,844.10

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Solution

The fourth proportional to 129,829.70, 194,744.55 and 66,844.10 is: 100,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,829.70 : 194,744.55 = 66,844.10 : x
  2. Step 2: Convert to fraction form
    129,829.70/194,744.55 = 66,844.10/x
  3. Step 3: Cross multiply
    129,829.70x = 194,744.55 × 66,844.10
  4. Step 4: Simplify right side
    129,829.70x = 13,017,524,174.66
  5. Step 5: Solve for x
    x = 13,017,524,174.66/129,829.70
  6. Step 6: Final answer
    x = 100,266.15

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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.