Home / 143,979.26-215,968.91-73,813.82

Finding the Fourth Proportional to 143,979.26, 215,968.91 and 73,813.82

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Solution

The fourth proportional to 143,979.26, 215,968.91 and 73,813.82 is: 110,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,979.26 : 215,968.91 = 73,813.82 : x
  2. Step 2: Convert to fraction form
    143,979.26/215,968.91 = 73,813.82/x
  3. Step 3: Cross multiply
    143,979.26x = 215,968.91 × 73,813.82
  4. Step 4: Simplify right side
    143,979.26x = 15,941,488,799.42
  5. Step 5: Solve for x
    x = 15,941,488,799.42/143,979.26
  6. Step 6: Final answer
    x = 110,720.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.