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Finding the Fourth Proportional to 168,391.29, 232,363.44 and 92,934.93

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Solution

The fourth proportional to 168,391.29, 232,363.44 and 92,934.93 is: 128,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,391.29 : 232,363.44 = 92,934.93 : x
  2. Step 2: Convert to fraction form
    168,391.29/232,363.44 = 92,934.93/x
  3. Step 3: Cross multiply
    168,391.29x = 232,363.44 × 92,934.93
  4. Step 4: Simplify right side
    168,391.29x = 21,594,680,030.96
  5. Step 5: Solve for x
    x = 21,594,680,030.96/168,391.29
  6. Step 6: Final answer
    x = 128,241.07

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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.