Home / 269,632.97-372,095.53-148,778.74

Finding the Fourth Proportional to 269,632.97, 372,095.53 and 148,778.74

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Solution

The fourth proportional to 269,632.97, 372,095.53 and 148,778.74 is: 205,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,632.97 : 372,095.53 = 148,778.74 : x
  2. Step 2: Convert to fraction form
    269,632.97/372,095.53 = 148,778.74/x
  3. Step 3: Cross multiply
    269,632.97x = 372,095.53 × 148,778.74
  4. Step 4: Simplify right side
    269,632.97x = 55,359,904,113.03
  5. Step 5: Solve for x
    x = 55,359,904,113.03/269,632.97
  6. Step 6: Final answer
    x = 205,315.78

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1.5x scale

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.