Home / 143,261.29-214,891.68-38,080.26

Finding the Fourth Proportional to 143,261.29, 214,891.68 and 38,080.26

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Solution

The fourth proportional to 143,261.29, 214,891.68 and 38,080.26 is: 57,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.29 : 214,891.68 = 38,080.26 : x
  2. Step 2: Convert to fraction form
    143,261.29/214,891.68 = 38,080.26/x
  3. Step 3: Cross multiply
    143,261.29x = 214,891.68 × 38,080.26
  4. Step 4: Simplify right side
    143,261.29x = 8,183,131,189.04
  5. Step 5: Solve for x
    x = 8,183,131,189.04/143,261.29
  6. Step 6: Final answer
    x = 57,120.32

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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.