Home / 144,184.72-215,975.49-115,951.90

Finding the Fourth Proportional to 144,184.72, 215,975.49 and 115,951.90

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Solution

The fourth proportional to 144,184.72, 215,975.49 and 115,951.90 is: 173,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,184.72 : 215,975.49 = 115,951.90 : x
  2. Step 2: Convert to fraction form
    144,184.72/215,975.49 = 115,951.90/x
  3. Step 3: Cross multiply
    144,184.72x = 215,975.49 × 115,951.90
  4. Step 4: Simplify right side
    144,184.72x = 25,042,768,418.93
  5. Step 5: Solve for x
    x = 25,042,768,418.93/144,184.72
  6. Step 6: Final answer
    x = 173,685.31

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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.