Home / 192,946.39-266,181.20-116,422.80

Finding the Fourth Proportional to 192,946.39, 266,181.20 and 116,422.80

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Solution

The fourth proportional to 192,946.39, 266,181.20 and 116,422.80 is: 160,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,946.39 : 266,181.20 = 116,422.80 : x
  2. Step 2: Convert to fraction form
    192,946.39/266,181.20 = 116,422.80/x
  3. Step 3: Cross multiply
    192,946.39x = 266,181.20 × 116,422.80
  4. Step 4: Simplify right side
    192,946.39x = 30,989,560,964.92
  5. Step 5: Solve for x
    x = 30,989,560,964.92/192,946.39
  6. Step 6: Final answer
    x = 160,612.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.