Home / 143,568.24-215,335.90-38,395.41

Finding the Fourth Proportional to 143,568.24, 215,335.90 and 38,395.41

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Solution

The fourth proportional to 143,568.24, 215,335.90 and 38,395.41 is: 57,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,568.24 : 215,335.90 = 38,395.41 : x
  2. Step 2: Convert to fraction form
    143,568.24/215,335.90 = 38,395.41/x
  3. Step 3: Cross multiply
    143,568.24x = 215,335.90 × 38,395.41
  4. Step 4: Simplify right side
    143,568.24x = 8,267,910,168.22
  5. Step 5: Solve for x
    x = 8,267,910,168.22/143,568.24
  6. Step 6: Final answer
    x = 57,588.71

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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.