Home / 190,910.20-285,782.10-148,919.80

Finding the Fourth Proportional to 190,910.20, 285,782.10 and 148,919.80

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Solution

The fourth proportional to 190,910.20, 285,782.10 and 148,919.80 is: 222,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,910.20 : 285,782.10 = 148,919.80 : x
  2. Step 2: Convert to fraction form
    190,910.20/285,782.10 = 148,919.80/x
  3. Step 3: Cross multiply
    190,910.20x = 285,782.10 × 148,919.80
  4. Step 4: Simplify right side
    190,910.20x = 42,558,613,175.58
  5. Step 5: Solve for x
    x = 42,558,613,175.58/190,910.20
  6. Step 6: Final answer
    x = 222,924.77

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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.