Home / 121,851.72-182,781.36-33,104.88

Finding the Fourth Proportional to 121,851.72, 182,781.36 and 33,104.88

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Solution

The fourth proportional to 121,851.72, 182,781.36 and 33,104.88 is: 49,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,851.72 : 182,781.36 = 33,104.88 : x
  2. Step 2: Convert to fraction form
    121,851.72/182,781.36 = 33,104.88/x
  3. Step 3: Cross multiply
    121,851.72x = 182,781.36 × 33,104.88
  4. Step 4: Simplify right side
    121,851.72x = 6,050,954,989.04
  5. Step 5: Solve for x
    x = 6,050,954,989.04/121,851.72
  6. Step 6: Final answer
    x = 49,658.35

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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.