Home / 143,713.44-198,326.61-83,288.25

Finding the Fourth Proportional to 143,713.44, 198,326.61 and 83,288.25

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Solution

The fourth proportional to 143,713.44, 198,326.61 and 83,288.25 is: 114,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,713.44 : 198,326.61 = 83,288.25 : x
  2. Step 2: Convert to fraction form
    143,713.44/198,326.61 = 83,288.25/x
  3. Step 3: Cross multiply
    143,713.44x = 198,326.61 × 83,288.25
  4. Step 4: Simplify right side
    143,713.44x = 16,518,276,275.33
  5. Step 5: Solve for x
    x = 16,518,276,275.33/143,713.44
  6. Step 6: Final answer
    x = 114,938.98

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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.