Home / 177,764.10-266,257.35-138,009.30

Finding the Fourth Proportional to 177,764.10, 266,257.35 and 138,009.30

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Solution

The fourth proportional to 177,764.10, 266,257.35 and 138,009.30 is: 206,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,764.10 : 266,257.35 = 138,009.30 : x
  2. Step 2: Convert to fraction form
    177,764.10/266,257.35 = 138,009.30/x
  3. Step 3: Cross multiply
    177,764.10x = 266,257.35 × 138,009.30
  4. Step 4: Simplify right side
    177,764.10x = 36,745,990,493.36
  5. Step 5: Solve for x
    x = 36,745,990,493.36/177,764.10
  6. Step 6: Final answer
    x = 206,712.10

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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.