Home / 177,764.60-266,258.10-138,009.80

Finding the Fourth Proportional to 177,764.60, 266,258.10 and 138,009.80

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Solution

The fourth proportional to 177,764.60, 266,258.10 and 138,009.80 is: 206,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,764.60 : 266,258.10 = 138,009.80 : x
  2. Step 2: Convert to fraction form
    177,764.60/266,258.10 = 138,009.80/x
  3. Step 3: Cross multiply
    177,764.60x = 266,258.10 × 138,009.80
  4. Step 4: Simplify right side
    177,764.60x = 36,746,227,129.38
  5. Step 5: Solve for x
    x = 36,746,227,129.38/177,764.60
  6. Step 6: Final answer
    x = 206,712.85

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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.