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Finding the Fourth Proportional to 168,244.63, 232,171.92 and 100,226.37

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Solution

The fourth proportional to 168,244.63, 232,171.92 and 100,226.37 is: 138,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,244.63 : 232,171.92 = 100,226.37 : x
  2. Step 2: Convert to fraction form
    168,244.63/232,171.92 = 100,226.37/x
  3. Step 3: Cross multiply
    168,244.63x = 232,171.92 × 100,226.37
  4. Step 4: Simplify right side
    168,244.63x = 23,269,748,975.19
  5. Step 5: Solve for x
    x = 23,269,748,975.19/168,244.63
  6. Step 6: Final answer
    x = 138,309.02

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1.5x scale

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.