Home / 269,020.53-371,265.11-148,161.78

Finding the Fourth Proportional to 269,020.53, 371,265.11 and 148,161.78

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Solution

The fourth proportional to 269,020.53, 371,265.11 and 148,161.78 is: 204,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,020.53 : 371,265.11 = 148,161.78 : x
  2. Step 2: Convert to fraction form
    269,020.53/371,265.11 = 148,161.78/x
  3. Step 3: Cross multiply
    269,020.53x = 371,265.11 × 148,161.78
  4. Step 4: Simplify right side
    269,020.53x = 55,007,301,312.14
  5. Step 5: Solve for x
    x = 55,007,301,312.14/269,020.53
  6. Step 6: Final answer
    x = 204,472.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.