Home / 143,710.11-198,326.07-80,047.94

Finding the Fourth Proportional to 143,710.11, 198,326.07 and 80,047.94

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Solution

The fourth proportional to 143,710.11, 198,326.07 and 80,047.94 is: 110,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,710.11 : 198,326.07 = 80,047.94 : x
  2. Step 2: Convert to fraction form
    143,710.11/198,326.07 = 80,047.94/x
  3. Step 3: Cross multiply
    143,710.11x = 198,326.07 × 80,047.94
  4. Step 4: Simplify right side
    143,710.11x = 15,875,592,360.17
  5. Step 5: Solve for x
    x = 15,875,592,360.17/143,710.11
  6. Step 6: Final answer
    x = 110,469.56

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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.