Home / 148,359.32-204,735.57-80,378.00

Finding the Fourth Proportional to 148,359.32, 204,735.57 and 80,378.00

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Solution

The fourth proportional to 148,359.32, 204,735.57 and 80,378.00 is: 110,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359.32 : 204,735.57 = 80,378.00 : x
  2. Step 2: Convert to fraction form
    148,359.32/204,735.57 = 80,378.00/x
  3. Step 3: Cross multiply
    148,359.32x = 204,735.57 × 80,378.00
  4. Step 4: Simplify right side
    148,359.32x = 16,456,235,190.49
  5. Step 5: Solve for x
    x = 16,456,235,190.49/148,359.32
  6. Step 6: Final answer
    x = 110,921.48

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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.