Home / 100,217.48-150,195.66-55,842.44

Finding the Fourth Proportional to 100,217.48, 150,195.66 and 55,842.44

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Solution

The fourth proportional to 100,217.48, 150,195.66 and 55,842.44 is: 83,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,217.48 : 150,195.66 = 55,842.44 : x
  2. Step 2: Convert to fraction form
    100,217.48/150,195.66 = 55,842.44/x
  3. Step 3: Cross multiply
    100,217.48x = 150,195.66 × 55,842.44
  4. Step 4: Simplify right side
    100,217.48x = 8,387,292,131.81
  5. Step 5: Solve for x
    x = 8,387,292,131.81/100,217.48
  6. Step 6: Final answer
    x = 83,690.91

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1.5x scale

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.