Home / 179,014.38-268,169.22-128,975.82

Finding the Fourth Proportional to 179,014.38, 268,169.22 and 128,975.82

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Solution

The fourth proportional to 179,014.38, 268,169.22 and 128,975.82 is: 193,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,014.38 : 268,169.22 = 128,975.82 : x
  2. Step 2: Convert to fraction form
    179,014.38/268,169.22 = 128,975.82/x
  3. Step 3: Cross multiply
    179,014.38x = 268,169.22 × 128,975.82
  4. Step 4: Simplify right side
    179,014.38x = 34,587,345,048.26
  5. Step 5: Solve for x
    x = 34,587,345,048.26/179,014.38
  6. Step 6: Final answer
    x = 193,209.87

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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.