Home / 170,948.20-256,469.70-71,155.40

Finding the Fourth Proportional to 170,948.20, 256,469.70 and 71,155.40

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Solution

The fourth proportional to 170,948.20, 256,469.70 and 71,155.40 is: 106,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,948.20 : 256,469.70 = 71,155.40 : x
  2. Step 2: Convert to fraction form
    170,948.20/256,469.70 = 71,155.40/x
  3. Step 3: Cross multiply
    170,948.20x = 256,469.70 × 71,155.40
  4. Step 4: Simplify right side
    170,948.20x = 18,249,204,091.38
  5. Step 5: Solve for x
    x = 18,249,204,091.38/170,948.20
  6. Step 6: Final answer
    x = 106,752.83

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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.