Home / 221,449.04-331,335.18-135,755.12

Finding the Fourth Proportional to 221,449.04, 331,335.18 and 135,755.12

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Solution

The fourth proportional to 221,449.04, 331,335.18 and 135,755.12 is: 203,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,449.04 : 331,335.18 = 135,755.12 : x
  2. Step 2: Convert to fraction form
    221,449.04/331,335.18 = 135,755.12/x
  3. Step 3: Cross multiply
    221,449.04x = 331,335.18 × 135,755.12
  4. Step 4: Simplify right side
    221,449.04x = 44,980,447,121.12
  5. Step 5: Solve for x
    x = 44,980,447,121.12/221,449.04
  6. Step 6: Final answer
    x = 203,118.73

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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.