Home / 129,420.21-194,105.70-44,034.94

Finding the Fourth Proportional to 129,420.21, 194,105.70 and 44,034.94

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Solution

The fourth proportional to 129,420.21, 194,105.70 and 44,034.94 is: 66,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,420.21 : 194,105.70 = 44,034.94 : x
  2. Step 2: Convert to fraction form
    129,420.21/194,105.70 = 44,034.94/x
  3. Step 3: Cross multiply
    129,420.21x = 194,105.70 × 44,034.94
  4. Step 4: Simplify right side
    129,420.21x = 8,547,433,281.56
  5. Step 5: Solve for x
    x = 8,547,433,281.56/129,420.21
  6. Step 6: Final answer
    x = 66,044.04

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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.