Home / 190,952.20-285,845.10-148,961.80

Finding the Fourth Proportional to 190,952.20, 285,845.10 and 148,961.80

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Solution

The fourth proportional to 190,952.20, 285,845.10 and 148,961.80 is: 222,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,952.20 : 285,845.10 = 148,961.80 : x
  2. Step 2: Convert to fraction form
    190,952.20/285,845.10 = 148,961.80/x
  3. Step 3: Cross multiply
    190,952.20x = 285,845.10 × 148,961.80
  4. Step 4: Simplify right side
    190,952.20x = 42,580,000,617.18
  5. Step 5: Solve for x
    x = 42,580,000,617.18/190,952.20
  6. Step 6: Final answer
    x = 222,987.75

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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.