Home / 146,511.20-220,864.96-136,746.20

Finding the Fourth Proportional to 146,511.20, 220,864.96 and 136,746.20

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Solution

The fourth proportional to 146,511.20, 220,864.96 and 136,746.20 is: 206,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.20 : 220,864.96 = 136,746.20 : x
  2. Step 2: Convert to fraction form
    146,511.20/220,864.96 = 136,746.20/x
  3. Step 3: Cross multiply
    146,511.20x = 220,864.96 × 136,746.20
  4. Step 4: Simplify right side
    146,511.20x = 30,202,442,546.96
  5. Step 5: Solve for x
    x = 30,202,442,546.96/146,511.20
  6. Step 6: Final answer
    x = 206,144.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.