Home / 143,827.11-215,771.82-55,080.61

Finding the Fourth Proportional to 143,827.11, 215,771.82 and 55,080.61

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Solution

The fourth proportional to 143,827.11, 215,771.82 and 55,080.61 is: 82,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827.11 : 215,771.82 = 55,080.61 : x
  2. Step 2: Convert to fraction form
    143,827.11/215,771.82 = 55,080.61/x
  3. Step 3: Cross multiply
    143,827.11x = 215,771.82 × 55,080.61
  4. Step 4: Simplify right side
    143,827.11x = 11,884,842,720.43
  5. Step 5: Solve for x
    x = 11,884,842,720.43/143,827.11
  6. Step 6: Final answer
    x = 82,632.84

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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.