Home / 146,511.70-220,865.66-136,746.64

Finding the Fourth Proportional to 146,511.70, 220,865.66 and 136,746.64

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Solution

The fourth proportional to 146,511.70, 220,865.66 and 136,746.64 is: 206,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.70 : 220,865.66 = 136,746.64 : x
  2. Step 2: Convert to fraction form
    146,511.70/220,865.66 = 136,746.64/x
  3. Step 3: Cross multiply
    146,511.70x = 220,865.66 × 136,746.64
  4. Step 4: Simplify right side
    146,511.70x = 30,202,636,896.38
  5. Step 5: Solve for x
    x = 30,202,636,896.38/146,511.70
  6. Step 6: Final answer
    x = 206,144.88

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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.