Home / 177,786.38-266,679.84-72,605.36

Finding the Fourth Proportional to 177,786.38, 266,679.84 and 72,605.36

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Solution

The fourth proportional to 177,786.38, 266,679.84 and 72,605.36 is: 108,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,786.38 : 266,679.84 = 72,605.36 : x
  2. Step 2: Convert to fraction form
    177,786.38/266,679.84 = 72,605.36/x
  3. Step 3: Cross multiply
    177,786.38x = 266,679.84 × 72,605.36
  4. Step 4: Simplify right side
    177,786.38x = 19,362,385,787.94
  5. Step 5: Solve for x
    x = 19,362,385,787.94/177,786.38
  6. Step 6: Final answer
    x = 108,908.15

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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.