Home / 134,414.46-201,650.85-40,917.78

Finding the Fourth Proportional to 134,414.46, 201,650.85 and 40,917.78

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Solution

The fourth proportional to 134,414.46, 201,650.85 and 40,917.78 is: 61,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,414.46 : 201,650.85 = 40,917.78 : x
  2. Step 2: Convert to fraction form
    134,414.46/201,650.85 = 40,917.78/x
  3. Step 3: Cross multiply
    134,414.46x = 201,650.85 × 40,917.78
  4. Step 4: Simplify right side
    134,414.46x = 8,251,105,117.11
  5. Step 5: Solve for x
    x = 8,251,105,117.11/134,414.46
  6. Step 6: Final answer
    x = 61,385.55

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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.