Home / 143,940.65-198,735.95-93,076.43

Finding the Fourth Proportional to 143,940.65, 198,735.95 and 93,076.43

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Solution

The fourth proportional to 143,940.65, 198,735.95 and 93,076.43 is: 128,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940.65 : 198,735.95 = 93,076.43 : x
  2. Step 2: Convert to fraction form
    143,940.65/198,735.95 = 93,076.43/x
  3. Step 3: Cross multiply
    143,940.65x = 198,735.95 × 93,076.43
  4. Step 4: Simplify right side
    143,940.65x = 18,497,632,273.28
  5. Step 5: Solve for x
    x = 18,497,632,273.28/143,940.65
  6. Step 6: Final answer
    x = 128,508.74

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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.