Home / 72,120.54-108,191.05-22,204.79

Finding the Fourth Proportional to 72,120.54, 108,191.05 and 22,204.79

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Solution

The fourth proportional to 72,120.54, 108,191.05 and 22,204.79 is: 33,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,120.54 : 108,191.05 = 22,204.79 : x
  2. Step 2: Convert to fraction form
    72,120.54/108,191.05 = 22,204.79/x
  3. Step 3: Cross multiply
    72,120.54x = 108,191.05 × 22,204.79
  4. Step 4: Simplify right side
    72,120.54x = 2,402,358,948.66
  5. Step 5: Solve for x
    x = 2,402,358,948.66/72,120.54
  6. Step 6: Final answer
    x = 33,310.33

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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.