Home / 143,979.39-198,679.08-92,994.33

Finding the Fourth Proportional to 143,979.39, 198,679.08 and 92,994.33

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Solution

The fourth proportional to 143,979.39, 198,679.08 and 92,994.33 is: 128,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,979.39 : 198,679.08 = 92,994.33 : x
  2. Step 2: Convert to fraction form
    143,979.39/198,679.08 = 92,994.33/x
  3. Step 3: Cross multiply
    143,979.39x = 198,679.08 × 92,994.33
  4. Step 4: Simplify right side
    143,979.39x = 18,476,027,929.62
  5. Step 5: Solve for x
    x = 18,476,027,929.62/143,979.39
  6. Step 6: Final answer
    x = 128,324.12

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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.