Home / 215,001.27-296,708.82-118,209.18

Finding the Fourth Proportional to 215,001.27, 296,708.82 and 118,209.18

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Solution

The fourth proportional to 215,001.27, 296,708.82 and 118,209.18 is: 163,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,001.27 : 296,708.82 = 118,209.18 : x
  2. Step 2: Convert to fraction form
    215,001.27/296,708.82 = 118,209.18/x
  3. Step 3: Cross multiply
    215,001.27x = 296,708.82 × 118,209.18
  4. Step 4: Simplify right side
    215,001.27x = 35,073,706,310.97
  5. Step 5: Solve for x
    x = 35,073,706,310.97/215,001.27
  6. Step 6: Final answer
    x = 163,132.55

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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.