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Finding the Fourth Proportional to 177,607.80, 267,067.80 and 148,739.40

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Solution

The fourth proportional to 177,607.80, 267,067.80 and 148,739.40 is: 223,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,607.80 : 267,067.80 = 148,739.40 : x
  2. Step 2: Convert to fraction form
    177,607.80/267,067.80 = 148,739.40/x
  3. Step 3: Cross multiply
    177,607.80x = 267,067.80 × 148,739.40
  4. Step 4: Simplify right side
    177,607.80x = 39,723,504,331.32
  5. Step 5: Solve for x
    x = 39,723,504,331.32/177,607.80
  6. Step 6: Final answer
    x = 223,658.56

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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.