Home / 123,891.20-186,225.60-116,892.80

Finding the Fourth Proportional to 123,891.20, 186,225.60 and 116,892.80

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Solution

The fourth proportional to 123,891.20, 186,225.60 and 116,892.80 is: 175,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,891.20 : 186,225.60 = 116,892.80 : x
  2. Step 2: Convert to fraction form
    123,891.20/186,225.60 = 116,892.80/x
  3. Step 3: Cross multiply
    123,891.20x = 186,225.60 × 116,892.80
  4. Step 4: Simplify right side
    123,891.20x = 21,768,431,815.68
  5. Step 5: Solve for x
    x = 21,768,431,815.68/123,891.20
  6. Step 6: Final answer
    x = 175,706.04

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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.