Home / 121,442.07-180,942.10-114,651.44

Finding the Fourth Proportional to 121,442.07, 180,942.10 and 114,651.44

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Solution

The fourth proportional to 121,442.07, 180,942.10 and 114,651.44 is: 170,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,442.07 : 180,942.10 = 114,651.44 : x
  2. Step 2: Convert to fraction form
    121,442.07/180,942.10 = 114,651.44/x
  3. Step 3: Cross multiply
    121,442.07x = 180,942.10 × 114,651.44
  4. Step 4: Simplify right side
    121,442.07x = 20,745,272,321.62
  5. Step 5: Solve for x
    x = 20,745,272,321.62/121,442.07
  6. Step 6: Final answer
    x = 170,824.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.