Home / 168,398.12-232,387.92-92,945

Finding the Fourth Proportional to 168,398.12, 232,387.92 and 92,945

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Solution

The fourth proportional to 168,398.12, 232,387.92 and 92,945 is: 128,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,398.12 : 232,387.92 = 92,945 : x
  2. Step 2: Convert to fraction form
    168,398.12/232,387.92 = 92,945/x
  3. Step 3: Cross multiply
    168,398.12x = 232,387.92 × 92,945
  4. Step 4: Simplify right side
    168,398.12x = 21,599,295,224.40
  5. Step 5: Solve for x
    x = 21,599,295,224.40/168,398.12
  6. Step 6: Final answer
    x = 128,263.28

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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.