Home / 170,628.08-255,942.12-87,469.04

Finding the Fourth Proportional to 170,628.08, 255,942.12 and 87,469.04

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Solution

The fourth proportional to 170,628.08, 255,942.12 and 87,469.04 is: 131,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,628.08 : 255,942.12 = 87,469.04 : x
  2. Step 2: Convert to fraction form
    170,628.08/255,942.12 = 87,469.04/x
  3. Step 3: Cross multiply
    170,628.08x = 255,942.12 × 87,469.04
  4. Step 4: Simplify right side
    170,628.08x = 22,387,011,531.96
  5. Step 5: Solve for x
    x = 22,387,011,531.96/170,628.08
  6. Step 6: Final answer
    x = 131,203.56

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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.