Home / 269,639.13-372,099.66-148,781.55

Finding the Fourth Proportional to 269,639.13, 372,099.66 and 148,781.55

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Solution

The fourth proportional to 269,639.13, 372,099.66 and 148,781.55 is: 205,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,639.13 : 372,099.66 = 148,781.55 : x
  2. Step 2: Convert to fraction form
    269,639.13/372,099.66 = 148,781.55/x
  3. Step 3: Cross multiply
    269,639.13x = 372,099.66 × 148,781.55
  4. Step 4: Simplify right side
    269,639.13x = 55,361,564,169.27
  5. Step 5: Solve for x
    x = 55,361,564,169.27/269,639.13
  6. Step 6: Final answer
    x = 205,317.25

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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.