Home / 143,261.04-214,891.26-38,080

Finding the Fourth Proportional to 143,261.04, 214,891.26 and 38,080

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Solution

The fourth proportional to 143,261.04, 214,891.26 and 38,080 is: 57,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.04 : 214,891.26 = 38,080 : x
  2. Step 2: Convert to fraction form
    143,261.04/214,891.26 = 38,080/x
  3. Step 3: Cross multiply
    143,261.04x = 214,891.26 × 38,080
  4. Step 4: Simplify right side
    143,261.04x = 8,183,059,180.80
  5. Step 5: Solve for x
    x = 8,183,059,180.80/143,261.04
  6. Step 6: Final answer
    x = 57,119.92

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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.