Home / 168,617.70-252,940.86-68,784.66

Finding the Fourth Proportional to 168,617.70, 252,940.86 and 68,784.66

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Solution

The fourth proportional to 168,617.70, 252,940.86 and 68,784.66 is: 103,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,617.70 : 252,940.86 = 68,784.66 : x
  2. Step 2: Convert to fraction form
    168,617.70/252,940.86 = 68,784.66/x
  3. Step 3: Cross multiply
    168,617.70x = 252,940.86 × 68,784.66
  4. Step 4: Simplify right side
    168,617.70x = 17,398,451,055.21
  5. Step 5: Solve for x
    x = 17,398,451,055.21/168,617.70
  6. Step 6: Final answer
    x = 103,182.83

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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.