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Finding the Fourth Proportional to 177,963.75, 266,664.69 and 144,521.10

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Solution

The fourth proportional to 177,963.75, 266,664.69 and 144,521.10 is: 216,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,963.75 : 266,664.69 = 144,521.10 : x
  2. Step 2: Convert to fraction form
    177,963.75/266,664.69 = 144,521.10/x
  3. Step 3: Cross multiply
    177,963.75x = 266,664.69 × 144,521.10
  4. Step 4: Simplify right side
    177,963.75x = 38,538,674,329.96
  5. Step 5: Solve for x
    x = 38,538,674,329.96/177,963.75
  6. Step 6: Final answer
    x = 216,553.51

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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.