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Finding the Fourth Proportional to 170,882.90, 234,105.68 and 164,493.80

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Solution

The fourth proportional to 170,882.90, 234,105.68 and 164,493.80 is: 225,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,882.90 : 234,105.68 = 164,493.80 : x
  2. Step 2: Convert to fraction form
    170,882.90/234,105.68 = 164,493.80/x
  3. Step 3: Cross multiply
    170,882.90x = 234,105.68 × 164,493.80
  4. Step 4: Simplify right side
    170,882.90x = 38,508,932,904.78
  5. Step 5: Solve for x
    x = 38,508,932,904.78/170,882.90
  6. Step 6: Final answer
    x = 225,352.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.