Home / 121,727.50-182,593.28-55,168.19

Finding the Fourth Proportional to 121,727.50, 182,593.28 and 55,168.19

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Solution

The fourth proportional to 121,727.50, 182,593.28 and 55,168.19 is: 82,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,727.50 : 182,593.28 = 55,168.19 : x
  2. Step 2: Convert to fraction form
    121,727.50/182,593.28 = 55,168.19/x
  3. Step 3: Cross multiply
    121,727.50x = 182,593.28 × 55,168.19
  4. Step 4: Simplify right side
    121,727.50x = 10,073,340,944.41
  5. Step 5: Solve for x
    x = 10,073,340,944.41/121,727.50
  6. Step 6: Final answer
    x = 82,753.21

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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.