Home / 146,179.20-219,098.70-67,301.40

Finding the Fourth Proportional to 146,179.20, 219,098.70 and 67,301.40

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Solution

The fourth proportional to 146,179.20, 219,098.70 and 67,301.40 is: 100,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,179.20 : 219,098.70 = 67,301.40 : x
  2. Step 2: Convert to fraction form
    146,179.20/219,098.70 = 67,301.40/x
  3. Step 3: Cross multiply
    146,179.20x = 219,098.70 × 67,301.40
  4. Step 4: Simplify right side
    146,179.20x = 14,745,649,248.18
  5. Step 5: Solve for x
    x = 14,745,649,248.18/146,179.20
  6. Step 6: Final answer
    x = 100,873.79

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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.