Home / 143,959.08-198,727.26-92,996.64

Finding the Fourth Proportional to 143,959.08, 198,727.26 and 92,996.64

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Solution

The fourth proportional to 143,959.08, 198,727.26 and 92,996.64 is: 128,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,959.08 : 198,727.26 = 92,996.64 : x
  2. Step 2: Convert to fraction form
    143,959.08/198,727.26 = 92,996.64/x
  3. Step 3: Cross multiply
    143,959.08x = 198,727.26 × 92,996.64
  4. Step 4: Simplify right side
    143,959.08x = 18,480,967,456.41
  5. Step 5: Solve for x
    x = 18,480,967,456.41/143,959.08
  6. Step 6: Final answer
    x = 128,376.53

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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.