Home / 172,228.62-237,679.47-96,778.38

Finding the Fourth Proportional to 172,228.62, 237,679.47 and 96,778.38

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Solution

The fourth proportional to 172,228.62, 237,679.47 and 96,778.38 is: 133,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,228.62 : 237,679.47 = 96,778.38 : x
  2. Step 2: Convert to fraction form
    172,228.62/237,679.47 = 96,778.38/x
  3. Step 3: Cross multiply
    172,228.62x = 237,679.47 × 96,778.38
  4. Step 4: Simplify right side
    172,228.62x = 23,002,234,065.86
  5. Step 5: Solve for x
    x = 23,002,234,065.86/172,228.62
  6. Step 6: Final answer
    x = 133,556.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.