Home / 175,728.80-263,463.60-75,807.20

Finding the Fourth Proportional to 175,728.80, 263,463.60 and 75,807.20

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Solution

The fourth proportional to 175,728.80, 263,463.60 and 75,807.20 is: 113,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,728.80 : 263,463.60 = 75,807.20 : x
  2. Step 2: Convert to fraction form
    175,728.80/263,463.60 = 75,807.20/x
  3. Step 3: Cross multiply
    175,728.80x = 263,463.60 × 75,807.20
  4. Step 4: Simplify right side
    175,728.80x = 19,972,437,817.92
  5. Step 5: Solve for x
    x = 19,972,437,817.92/175,728.80
  6. Step 6: Final answer
    x = 113,654.89

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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.