Home / 146,953.30-220,138.35-80,295.70

Finding the Fourth Proportional to 146,953.30, 220,138.35 and 80,295.70

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Solution

The fourth proportional to 146,953.30, 220,138.35 and 80,295.70 is: 120,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,953.30 : 220,138.35 = 80,295.70 : x
  2. Step 2: Convert to fraction form
    146,953.30/220,138.35 = 80,295.70/x
  3. Step 3: Cross multiply
    146,953.30x = 220,138.35 × 80,295.70
  4. Step 4: Simplify right side
    146,953.30x = 17,676,162,910.10
  5. Step 5: Solve for x
    x = 17,676,162,910.10/146,953.30
  6. Step 6: Final answer
    x = 120,284.22

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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.