Home / 220,783.92-304,517.52-140,141.40

Finding the Fourth Proportional to 220,783.92, 304,517.52 and 140,141.40

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Solution

The fourth proportional to 220,783.92, 304,517.52 and 140,141.40 is: 193,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,783.92 : 304,517.52 = 140,141.40 : x
  2. Step 2: Convert to fraction form
    220,783.92/304,517.52 = 140,141.40/x
  3. Step 3: Cross multiply
    220,783.92x = 304,517.52 × 140,141.40
  4. Step 4: Simplify right side
    220,783.92x = 42,675,511,577.33
  5. Step 5: Solve for x
    x = 42,675,511,577.33/220,783.92
  6. Step 6: Final answer
    x = 193,290.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.