Home / 129,992.38-194,999.60-36,498.13

Finding the Fourth Proportional to 129,992.38, 194,999.60 and 36,498.13

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Solution

The fourth proportional to 129,992.38, 194,999.60 and 36,498.13 is: 54,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,992.38 : 194,999.60 = 36,498.13 : x
  2. Step 2: Convert to fraction form
    129,992.38/194,999.60 = 36,498.13/x
  3. Step 3: Cross multiply
    129,992.38x = 194,999.60 × 36,498.13
  4. Step 4: Simplify right side
    129,992.38x = 7,117,120,354.49
  5. Step 5: Solve for x
    x = 7,117,120,354.49/129,992.38
  6. Step 6: Final answer
    x = 54,750.29

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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.