Home / 218,051.46-327,204.08-91,682.55

Finding the Fourth Proportional to 218,051.46, 327,204.08 and 91,682.55

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Solution

The fourth proportional to 218,051.46, 327,204.08 and 91,682.55 is: 137,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,051.46 : 327,204.08 = 91,682.55 : x
  2. Step 2: Convert to fraction form
    218,051.46/327,204.08 = 91,682.55/x
  3. Step 3: Cross multiply
    218,051.46x = 327,204.08 × 91,682.55
  4. Step 4: Simplify right side
    218,051.46x = 29,998,903,966.39
  5. Step 5: Solve for x
    x = 29,998,903,966.39/218,051.46
  6. Step 6: Final answer
    x = 137,577.18

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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.