Home / 170,764.60-255,974.10-100,607.80

Finding the Fourth Proportional to 170,764.60, 255,974.10 and 100,607.80

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Solution

The fourth proportional to 170,764.60, 255,974.10 and 100,607.80 is: 150,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,764.60 : 255,974.10 = 100,607.80 : x
  2. Step 2: Convert to fraction form
    170,764.60/255,974.10 = 100,607.80/x
  3. Step 3: Cross multiply
    170,764.60x = 255,974.10 × 100,607.80
  4. Step 4: Simplify right side
    170,764.60x = 25,752,991,057.98
  5. Step 5: Solve for x
    x = 25,752,991,057.98/170,764.60
  6. Step 6: Final answer
    x = 150,809.89

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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.