Home / 218,621.80-328,086.30-94,052.20

Finding the Fourth Proportional to 218,621.80, 328,086.30 and 94,052.20

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Solution

The fourth proportional to 218,621.80, 328,086.30 and 94,052.20 is: 141,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,621.80 : 328,086.30 = 94,052.20 : x
  2. Step 2: Convert to fraction form
    218,621.80/328,086.30 = 94,052.20/x
  3. Step 3: Cross multiply
    218,621.80x = 328,086.30 × 94,052.20
  4. Step 4: Simplify right side
    218,621.80x = 30,857,238,304.86
  5. Step 5: Solve for x
    x = 30,857,238,304.86/218,621.80
  6. Step 6: Final answer
    x = 141,144.38

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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.