Home / 141,272.16-194,869.20-83,872.56

Finding the Fourth Proportional to 141,272.16, 194,869.20 and 83,872.56

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Solution

The fourth proportional to 141,272.16, 194,869.20 and 83,872.56 is: 115,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.16 : 194,869.20 = 83,872.56 : x
  2. Step 2: Convert to fraction form
    141,272.16/194,869.20 = 83,872.56/x
  3. Step 3: Cross multiply
    141,272.16x = 194,869.20 × 83,872.56
  4. Step 4: Simplify right side
    141,272.16x = 16,344,178,669.15
  5. Step 5: Solve for x
    x = 16,344,178,669.15/141,272.16
  6. Step 6: Final answer
    x = 115,692.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.