Home / 269,521.18-371,932.71-148,659.87

Finding the Fourth Proportional to 269,521.18, 371,932.71 and 148,659.87

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Solution

The fourth proportional to 269,521.18, 371,932.71 and 148,659.87 is: 205,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,521.18 : 371,932.71 = 148,659.87 : x
  2. Step 2: Convert to fraction form
    269,521.18/371,932.71 = 148,659.87/x
  3. Step 3: Cross multiply
    269,521.18x = 371,932.71 × 148,659.87
  4. Step 4: Simplify right side
    269,521.18x = 55,291,468,317.35
  5. Step 5: Solve for x
    x = 55,291,468,317.35/269,521.18
  6. Step 6: Final answer
    x = 205,147.03

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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.