Home / 215,113.79-296,864.22-118,321.73

Finding the Fourth Proportional to 215,113.79, 296,864.22 and 118,321.73

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Solution

The fourth proportional to 215,113.79, 296,864.22 and 118,321.73 is: 163,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,113.79 : 296,864.22 = 118,321.73 : x
  2. Step 2: Convert to fraction form
    215,113.79/296,864.22 = 118,321.73/x
  3. Step 3: Cross multiply
    215,113.79x = 296,864.22 × 118,321.73
  4. Step 4: Simplify right side
    215,113.79x = 35,125,486,601.18
  5. Step 5: Solve for x
    x = 35,125,486,601.18/215,113.79
  6. Step 6: Final answer
    x = 163,287.94

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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.