Home / 147,626.20-221,439.30-54,119.80

Finding the Fourth Proportional to 147,626.20, 221,439.30 and 54,119.80

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Solution

The fourth proportional to 147,626.20, 221,439.30 and 54,119.80 is: 81,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626.20 : 221,439.30 = 54,119.80 : x
  2. Step 2: Convert to fraction form
    147,626.20/221,439.30 = 54,119.80/x
  3. Step 3: Cross multiply
    147,626.20x = 221,439.30 × 54,119.80
  4. Step 4: Simplify right side
    147,626.20x = 11,984,250,628.14
  5. Step 5: Solve for x
    x = 11,984,250,628.14/147,626.20
  6. Step 6: Final answer
    x = 81,179.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.