Home / 147,443.04-203,470.92-80,375.04

Finding the Fourth Proportional to 147,443.04, 203,470.92 and 80,375.04

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Solution

The fourth proportional to 147,443.04, 203,470.92 and 80,375.04 is: 110,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,443.04 : 203,470.92 = 80,375.04 : x
  2. Step 2: Convert to fraction form
    147,443.04/203,470.92 = 80,375.04/x
  3. Step 3: Cross multiply
    147,443.04x = 203,470.92 × 80,375.04
  4. Step 4: Simplify right side
    147,443.04x = 16,353,983,333.84
  5. Step 5: Solve for x
    x = 16,353,983,333.84/147,443.04
  6. Step 6: Final answer
    x = 110,917.30

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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.