Home / 143,292.24-214,939.44-80,948.16

Finding the Fourth Proportional to 143,292.24, 214,939.44 and 80,948.16

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Solution

The fourth proportional to 143,292.24, 214,939.44 and 80,948.16 is: 121,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.24 : 214,939.44 = 80,948.16 : x
  2. Step 2: Convert to fraction form
    143,292.24/214,939.44 = 80,948.16/x
  3. Step 3: Cross multiply
    143,292.24x = 214,939.44 × 80,948.16
  4. Step 4: Simplify right side
    143,292.24x = 17,398,952,179.43
  5. Step 5: Solve for x
    x = 17,398,952,179.43/143,292.24
  6. Step 6: Final answer
    x = 121,422.85

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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.