Home / 143,955.63-198,658.27-80,293.38

Finding the Fourth Proportional to 143,955.63, 198,658.27 and 80,293.38

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Solution

The fourth proportional to 143,955.63, 198,658.27 and 80,293.38 is: 110,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.63 : 198,658.27 = 80,293.38 : x
  2. Step 2: Convert to fraction form
    143,955.63/198,658.27 = 80,293.38/x
  3. Step 3: Cross multiply
    143,955.63x = 198,658.27 × 80,293.38
  4. Step 4: Simplify right side
    143,955.63x = 15,950,943,318.65
  5. Step 5: Solve for x
    x = 15,950,943,318.65/143,955.63
  6. Step 6: Final answer
    x = 110,804.58

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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.