Home / 147,326.75-203,310.92-80,258.75

Finding the Fourth Proportional to 147,326.75, 203,310.92 and 80,258.75

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Solution

The fourth proportional to 147,326.75, 203,310.92 and 80,258.75 is: 110,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326.75 : 203,310.92 = 80,258.75 : x
  2. Step 2: Convert to fraction form
    147,326.75/203,310.92 = 80,258.75/x
  3. Step 3: Cross multiply
    147,326.75x = 203,310.92 × 80,258.75
  4. Step 4: Simplify right side
    147,326.75x = 16,317,480,300.55
  5. Step 5: Solve for x
    x = 16,317,480,300.55/147,326.75
  6. Step 6: Final answer
    x = 110,757.08

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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.