Home / 192,117.10-288,175.65-122,305.90

Finding the Fourth Proportional to 192,117.10, 288,175.65 and 122,305.90

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Solution

The fourth proportional to 192,117.10, 288,175.65 and 122,305.90 is: 183,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,117.10 : 288,175.65 = 122,305.90 : x
  2. Step 2: Convert to fraction form
    192,117.10/288,175.65 = 122,305.90/x
  3. Step 3: Cross multiply
    192,117.10x = 288,175.65 × 122,305.90
  4. Step 4: Simplify right side
    192,117.10x = 35,245,582,231.34
  5. Step 5: Solve for x
    x = 35,245,582,231.34/192,117.10
  6. Step 6: Final answer
    x = 183,458.85

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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.