Home / 146,912.20-220,598.70-100,371.40

Finding the Fourth Proportional to 146,912.20, 220,598.70 and 100,371.40

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Solution

The fourth proportional to 146,912.20, 220,598.70 and 100,371.40 is: 150,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,912.20 : 220,598.70 = 100,371.40 : x
  2. Step 2: Convert to fraction form
    146,912.20/220,598.70 = 100,371.40/x
  3. Step 3: Cross multiply
    146,912.20x = 220,598.70 × 100,371.40
  4. Step 4: Simplify right side
    146,912.20x = 22,141,800,357.18
  5. Step 5: Solve for x
    x = 22,141,800,357.18/146,912.20
  6. Step 6: Final answer
    x = 150,714.51

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1.5x scale

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.