Home / 129,650.63-194,508.74-36,156.38

Finding the Fourth Proportional to 129,650.63, 194,508.74 and 36,156.38

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Solution

The fourth proportional to 129,650.63, 194,508.74 and 36,156.38 is: 54,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,650.63 : 194,508.74 = 36,156.38 : x
  2. Step 2: Convert to fraction form
    129,650.63/194,508.74 = 36,156.38/x
  3. Step 3: Cross multiply
    129,650.63x = 194,508.74 × 36,156.38
  4. Step 4: Simplify right side
    129,650.63x = 7,032,731,034.61
  5. Step 5: Solve for x
    x = 7,032,731,034.61/129,650.63
  6. Step 6: Final answer
    x = 54,243.71

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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.