Home / 143,524.85-215,243.49-115,378.16

Finding the Fourth Proportional to 143,524.85, 215,243.49 and 115,378.16

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Solution

The fourth proportional to 143,524.85, 215,243.49 and 115,378.16 is: 173,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,524.85 : 215,243.49 = 115,378.16 : x
  2. Step 2: Convert to fraction form
    143,524.85/215,243.49 = 115,378.16/x
  3. Step 3: Cross multiply
    143,524.85x = 215,243.49 × 115,378.16
  4. Step 4: Simplify right side
    143,524.85x = 24,834,397,828.18
  5. Step 5: Solve for x
    x = 24,834,397,828.18/143,524.85
  6. Step 6: Final answer
    x = 173,032.04

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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.