Home / 220,952.16-331,467.12-80,906.40

Finding the Fourth Proportional to 220,952.16, 331,467.12 and 80,906.40

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Solution

The fourth proportional to 220,952.16, 331,467.12 and 80,906.40 is: 121,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,952.16 : 331,467.12 = 80,906.40 : x
  2. Step 2: Convert to fraction form
    220,952.16/331,467.12 = 80,906.40/x
  3. Step 3: Cross multiply
    220,952.16x = 331,467.12 × 80,906.40
  4. Step 4: Simplify right side
    220,952.16x = 26,817,811,397.57
  5. Step 5: Solve for x
    x = 26,817,811,397.57/220,952.16
  6. Step 6: Final answer
    x = 121,373.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.