Home / 146,785.92-220,145.76-67,857

Finding the Fourth Proportional to 146,785.92, 220,145.76 and 67,857

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Solution

The fourth proportional to 146,785.92, 220,145.76 and 67,857 is: 101,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,785.92 : 220,145.76 = 67,857 : x
  2. Step 2: Convert to fraction form
    146,785.92/220,145.76 = 67,857/x
  3. Step 3: Cross multiply
    146,785.92x = 220,145.76 × 67,857
  4. Step 4: Simplify right side
    146,785.92x = 14,938,430,836.32
  5. Step 5: Solve for x
    x = 14,938,430,836.32/146,785.92
  6. Step 6: Final answer
    x = 101,770.19

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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.