Home / 121,727.25-182,588.43-55,154.97

Finding the Fourth Proportional to 121,727.25, 182,588.43 and 55,154.97

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Solution

The fourth proportional to 121,727.25, 182,588.43 and 55,154.97 is: 82,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,727.25 : 182,588.43 = 55,154.97 : x
  2. Step 2: Convert to fraction form
    121,727.25/182,588.43 = 55,154.97/x
  3. Step 3: Cross multiply
    121,727.25x = 182,588.43 × 55,154.97
  4. Step 4: Simplify right side
    121,727.25x = 10,070,659,379.00
  5. Step 5: Solve for x
    x = 10,070,659,379.00/121,727.25
  6. Step 6: Final answer
    x = 82,731.35

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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.