Home / 121,955.97-182,933.96-80,393.25

Finding the Fourth Proportional to 121,955.97, 182,933.96 and 80,393.25

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Solution

The fourth proportional to 121,955.97, 182,933.96 and 80,393.25 is: 120,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,955.97 : 182,933.96 = 80,393.25 : x
  2. Step 2: Convert to fraction form
    121,955.97/182,933.96 = 80,393.25/x
  3. Step 3: Cross multiply
    121,955.97x = 182,933.96 × 80,393.25
  4. Step 4: Simplify right side
    121,955.97x = 14,706,655,579.77
  5. Step 5: Solve for x
    x = 14,706,655,579.77/121,955.97
  6. Step 6: Final answer
    x = 120,589.88

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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.