Home / 168,362.30-232,369.61-100,383.45

Finding the Fourth Proportional to 168,362.30, 232,369.61 and 100,383.45

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Solution

The fourth proportional to 168,362.30, 232,369.61 and 100,383.45 is: 138,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,362.30 : 232,369.61 = 100,383.45 : x
  2. Step 2: Convert to fraction form
    168,362.30/232,369.61 = 100,383.45/x
  3. Step 3: Cross multiply
    168,362.30x = 232,369.61 × 100,383.45
  4. Step 4: Simplify right side
    168,362.30x = 23,326,062,625.04
  5. Step 5: Solve for x
    x = 23,326,062,625.04/168,362.30
  6. Step 6: Final answer
    x = 138,546.83

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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.