Home / 143,395.28-214,952.52-80,246.24

Finding the Fourth Proportional to 143,395.28, 214,952.52 and 80,246.24

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Solution

The fourth proportional to 143,395.28, 214,952.52 and 80,246.24 is: 120,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395.28 : 214,952.52 = 80,246.24 : x
  2. Step 2: Convert to fraction form
    143,395.28/214,952.52 = 80,246.24/x
  3. Step 3: Cross multiply
    143,395.28x = 214,952.52 × 80,246.24
  4. Step 4: Simplify right side
    143,395.28x = 17,249,131,508.52
  5. Step 5: Solve for x
    x = 17,249,131,508.52/143,395.28
  6. Step 6: Final answer
    x = 120,290.79

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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.