Home / 143,710.36-198,326.42-80,048.19

Finding the Fourth Proportional to 143,710.36, 198,326.42 and 80,048.19

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Solution

The fourth proportional to 143,710.36, 198,326.42 and 80,048.19 is: 110,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,710.36 : 198,326.42 = 80,048.19 : x
  2. Step 2: Convert to fraction form
    143,710.36/198,326.42 = 80,048.19/x
  3. Step 3: Cross multiply
    143,710.36x = 198,326.42 × 80,048.19
  4. Step 4: Simplify right side
    143,710.36x = 15,875,669,558.31
  5. Step 5: Solve for x
    x = 15,875,669,558.31/143,710.36
  6. Step 6: Final answer
    x = 110,469.90

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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.