Home / 269,726.11-372,223.50-148,867.72

Finding the Fourth Proportional to 269,726.11, 372,223.50 and 148,867.72

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Solution

The fourth proportional to 269,726.11, 372,223.50 and 148,867.72 is: 205,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,726.11 : 372,223.50 = 148,867.72 : x
  2. Step 2: Convert to fraction form
    269,726.11/372,223.50 = 148,867.72/x
  3. Step 3: Cross multiply
    269,726.11x = 372,223.50 × 148,867.72
  4. Step 4: Simplify right side
    269,726.11x = 55,412,063,775.42
  5. Step 5: Solve for x
    x = 55,412,063,775.42/269,726.11
  6. Step 6: Final answer
    x = 205,438.26

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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.