Home / 170,989.04-256,535.40-82,217.36

Finding the Fourth Proportional to 170,989.04, 256,535.40 and 82,217.36

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Solution

The fourth proportional to 170,989.04, 256,535.40 and 82,217.36 is: 123,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.04 : 256,535.40 = 82,217.36 : x
  2. Step 2: Convert to fraction form
    170,989.04/256,535.40 = 82,217.36/x
  3. Step 3: Cross multiply
    170,989.04x = 256,535.40 × 82,217.36
  4. Step 4: Simplify right side
    170,989.04x = 21,091,663,334.54
  5. Step 5: Solve for x
    x = 21,091,663,334.54/170,989.04
  6. Step 6: Final answer
    x = 123,350.97

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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.