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Finding the Fourth Proportional to 177,796.80, 266,047.20 and 131,140.80

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Solution

The fourth proportional to 177,796.80, 266,047.20 and 131,140.80 is: 196,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,796.80 : 266,047.20 = 131,140.80 : x
  2. Step 2: Convert to fraction form
    177,796.80/266,047.20 = 131,140.80/x
  3. Step 3: Cross multiply
    177,796.80x = 266,047.20 × 131,140.80
  4. Step 4: Simplify right side
    177,796.80x = 34,889,642,645.76
  5. Step 5: Solve for x
    x = 34,889,642,645.76/177,796.80
  6. Step 6: Final answer
    x = 196,233.24

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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.