Home / 148,247.30-204,581.36-80,264.30

Finding the Fourth Proportional to 148,247.30, 204,581.36 and 80,264.30

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Solution

The fourth proportional to 148,247.30, 204,581.36 and 80,264.30 is: 110,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,247.30 : 204,581.36 = 80,264.30 : x
  2. Step 2: Convert to fraction form
    148,247.30/204,581.36 = 80,264.30/x
  3. Step 3: Cross multiply
    148,247.30x = 204,581.36 × 80,264.30
  4. Step 4: Simplify right side
    148,247.30x = 16,420,579,653.45
  5. Step 5: Solve for x
    x = 16,420,579,653.45/148,247.30
  6. Step 6: Final answer
    x = 110,764.78

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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.