Home / 170,249.76-255,289.20-99,195.36

Finding the Fourth Proportional to 170,249.76, 255,289.20 and 99,195.36

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Solution

The fourth proportional to 170,249.76, 255,289.20 and 99,195.36 is: 148,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,249.76 : 255,289.20 = 99,195.36 : x
  2. Step 2: Convert to fraction form
    170,249.76/255,289.20 = 99,195.36/x
  3. Step 3: Cross multiply
    170,249.76x = 255,289.20 × 99,195.36
  4. Step 4: Simplify right side
    170,249.76x = 25,323,504,098.11
  5. Step 5: Solve for x
    x = 25,323,504,098.11/170,249.76
  6. Step 6: Final answer
    x = 148,743.26

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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.