Home / 129,551.13-194,326.70-74,108.25

Finding the Fourth Proportional to 129,551.13, 194,326.70 and 74,108.25

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Solution

The fourth proportional to 129,551.13, 194,326.70 and 74,108.25 is: 111,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,551.13 : 194,326.70 = 74,108.25 : x
  2. Step 2: Convert to fraction form
    129,551.13/194,326.70 = 74,108.25/x
  3. Step 3: Cross multiply
    129,551.13x = 194,326.70 × 74,108.25
  4. Step 4: Simplify right side
    129,551.13x = 14,401,211,294.73
  5. Step 5: Solve for x
    x = 14,401,211,294.73/129,551.13
  6. Step 6: Final answer
    x = 111,162.38

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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.