Home / 143,695.44-198,305.85-80,033.25

Finding the Fourth Proportional to 143,695.44, 198,305.85 and 80,033.25

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Solution

The fourth proportional to 143,695.44, 198,305.85 and 80,033.25 is: 110,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,695.44 : 198,305.85 = 80,033.25 : x
  2. Step 2: Convert to fraction form
    143,695.44/198,305.85 = 80,033.25/x
  3. Step 3: Cross multiply
    143,695.44x = 198,305.85 × 80,033.25
  4. Step 4: Simplify right side
    143,695.44x = 15,871,061,669.51
  5. Step 5: Solve for x
    x = 15,871,061,669.51/143,695.44
  6. Step 6: Final answer
    x = 110,449.31

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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.