Home / 190,940.20-285,827.10-148,949.80

Finding the Fourth Proportional to 190,940.20, 285,827.10 and 148,949.80

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Solution

The fourth proportional to 190,940.20, 285,827.10 and 148,949.80 is: 222,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,940.20 : 285,827.10 = 148,949.80 : x
  2. Step 2: Convert to fraction form
    190,940.20/285,827.10 = 148,949.80/x
  3. Step 3: Cross multiply
    190,940.20x = 285,827.10 × 148,949.80
  4. Step 4: Simplify right side
    190,940.20x = 42,573,889,379.58
  5. Step 5: Solve for x
    x = 42,573,889,379.58/190,940.20
  6. Step 6: Final answer
    x = 222,969.75

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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.