Home / 269,639.13-372,101.72-148,780.41

Finding the Fourth Proportional to 269,639.13, 372,101.72 and 148,780.41

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Solution

The fourth proportional to 269,639.13, 372,101.72 and 148,780.41 is: 205,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,639.13 : 372,101.72 = 148,780.41 : x
  2. Step 2: Convert to fraction form
    269,639.13/372,101.72 = 148,780.41/x
  3. Step 3: Cross multiply
    269,639.13x = 372,101.72 × 148,780.41
  4. Step 4: Simplify right side
    269,639.13x = 55,361,444,847.29
  5. Step 5: Solve for x
    x = 55,361,444,847.29/269,639.13
  6. Step 6: Final answer
    x = 205,316.81

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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.