Home / 143,822.95-198,471.74-82,567.33

Finding the Fourth Proportional to 143,822.95, 198,471.74 and 82,567.33

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Solution

The fourth proportional to 143,822.95, 198,471.74 and 82,567.33 is: 113,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,822.95 : 198,471.74 = 82,567.33 : x
  2. Step 2: Convert to fraction form
    143,822.95/198,471.74 = 82,567.33/x
  3. Step 3: Cross multiply
    143,822.95x = 198,471.74 × 82,567.33
  4. Step 4: Simplify right side
    143,822.95x = 16,387,280,743.24
  5. Step 5: Solve for x
    x = 16,387,280,743.24/143,822.95
  6. Step 6: Final answer
    x = 113,940.65

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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.