Home / 108,268.92-162,397.98-38,142.36

Finding the Fourth Proportional to 108,268.92, 162,397.98 and 38,142.36

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Solution

The fourth proportional to 108,268.92, 162,397.98 and 38,142.36 is: 57,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,268.92 : 162,397.98 = 38,142.36 : x
  2. Step 2: Convert to fraction form
    108,268.92/162,397.98 = 38,142.36/x
  3. Step 3: Cross multiply
    108,268.92x = 162,397.98 × 38,142.36
  4. Step 4: Simplify right side
    108,268.92x = 6,194,242,216.43
  5. Step 5: Solve for x
    x = 6,194,242,216.43/108,268.92
  6. Step 6: Final answer
    x = 57,211.64

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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.