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Finding the Fourth Proportional to 171,123.30, 256,471.11 and 118,110.42

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Solution

The fourth proportional to 171,123.30, 256,471.11 and 118,110.42 is: 177,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,123.30 : 256,471.11 = 118,110.42 : x
  2. Step 2: Convert to fraction form
    171,123.30/256,471.11 = 118,110.42/x
  3. Step 3: Cross multiply
    171,123.30x = 256,471.11 × 118,110.42
  4. Step 4: Simplify right side
    171,123.30x = 30,291,910,519.97
  5. Step 5: Solve for x
    x = 30,291,910,519.97/171,123.30
  6. Step 6: Final answer
    x = 177,018.04

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1.5x scale

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.