Home / 143,318.11-214,982.02-38,137.18

Finding the Fourth Proportional to 143,318.11, 214,982.02 and 38,137.18

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Solution

The fourth proportional to 143,318.11, 214,982.02 and 38,137.18 is: 57,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.11 : 214,982.02 = 38,137.18 : x
  2. Step 2: Convert to fraction form
    143,318.11/214,982.02 = 38,137.18/x
  3. Step 3: Cross multiply
    143,318.11x = 214,982.02 × 38,137.18
  4. Step 4: Simplify right side
    143,318.11x = 8,198,806,727.91
  5. Step 5: Solve for x
    x = 8,198,806,727.91/143,318.11
  6. Step 6: Final answer
    x = 57,207.06

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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.