Home / 108,308.16-162,408.96-38,177.28

Finding the Fourth Proportional to 108,308.16, 162,408.96 and 38,177.28

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Solution

The fourth proportional to 108,308.16, 162,408.96 and 38,177.28 is: 57,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,308.16 : 162,408.96 = 38,177.28 : x
  2. Step 2: Convert to fraction form
    108,308.16/162,408.96 = 38,177.28/x
  3. Step 3: Cross multiply
    108,308.16x = 162,408.96 × 38,177.28
  4. Step 4: Simplify right side
    108,308.16x = 6,200,332,340.43
  5. Step 5: Solve for x
    x = 6,200,332,340.43/108,308.16
  6. Step 6: Final answer
    x = 57,247.14

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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.