Home / 168,939.20-233,098.89-100,946

Finding the Fourth Proportional to 168,939.20, 233,098.89 and 100,946

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Solution

The fourth proportional to 168,939.20, 233,098.89 and 100,946 is: 139,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,939.20 : 233,098.89 = 100,946 : x
  2. Step 2: Convert to fraction form
    168,939.20/233,098.89 = 100,946/x
  3. Step 3: Cross multiply
    168,939.20x = 233,098.89 × 100,946
  4. Step 4: Simplify right side
    168,939.20x = 23,530,400,549.94
  5. Step 5: Solve for x
    x = 23,530,400,549.94/168,939.20
  6. Step 6: Final answer
    x = 139,283.25

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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.