Home / 141,868.89-195,757.43-84,490.65

Finding the Fourth Proportional to 141,868.89, 195,757.43 and 84,490.65

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Solution

The fourth proportional to 141,868.89, 195,757.43 and 84,490.65 is: 116,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,868.89 : 195,757.43 = 84,490.65 : x
  2. Step 2: Convert to fraction form
    141,868.89/195,757.43 = 84,490.65/x
  3. Step 3: Cross multiply
    141,868.89x = 195,757.43 × 84,490.65
  4. Step 4: Simplify right side
    141,868.89x = 16,539,672,080.58
  5. Step 5: Solve for x
    x = 16,539,672,080.58/141,868.89
  6. Step 6: Final answer
    x = 116,584.21

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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.