Home / 177,930.60-266,507.10-138,175.80

Finding the Fourth Proportional to 177,930.60, 266,507.10 and 138,175.80

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Solution

The fourth proportional to 177,930.60, 266,507.10 and 138,175.80 is: 206,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,930.60 : 266,507.10 = 138,175.80 : x
  2. Step 2: Convert to fraction form
    177,930.60/266,507.10 = 138,175.80/x
  3. Step 3: Cross multiply
    177,930.60x = 266,507.10 × 138,175.80
  4. Step 4: Simplify right side
    177,930.60x = 36,824,831,748.18
  5. Step 5: Solve for x
    x = 36,824,831,748.18/177,930.60
  6. Step 6: Final answer
    x = 206,961.77

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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.