Home / 170,766.60-255,977.10-100,609.80

Finding the Fourth Proportional to 170,766.60, 255,977.10 and 100,609.80

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Solution

The fourth proportional to 170,766.60, 255,977.10 and 100,609.80 is: 150,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,766.60 : 255,977.10 = 100,609.80 : x
  2. Step 2: Convert to fraction form
    170,766.60/255,977.10 = 100,609.80/x
  3. Step 3: Cross multiply
    170,766.60x = 255,977.10 × 100,609.80
  4. Step 4: Simplify right side
    170,766.60x = 25,753,804,835.58
  5. Step 5: Solve for x
    x = 25,753,804,835.58/170,766.60
  6. Step 6: Final answer
    x = 150,812.89

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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.