Home / 168,889.64-233,062.44-100,891.34

Finding the Fourth Proportional to 168,889.64, 233,062.44 and 100,891.34

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Solution

The fourth proportional to 168,889.64, 233,062.44 and 100,891.34 is: 139,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,889.64 : 233,062.44 = 100,891.34 : x
  2. Step 2: Convert to fraction form
    168,889.64/233,062.44 = 100,891.34/x
  3. Step 3: Cross multiply
    168,889.64x = 233,062.44 × 100,891.34
  4. Step 4: Simplify right side
    168,889.64x = 23,513,981,875.27
  5. Step 5: Solve for x
    x = 23,513,981,875.27/168,889.64
  6. Step 6: Final answer
    x = 139,226.91

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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.