Home / 108,045.96-162,067.32-29,168.16

Finding the Fourth Proportional to 108,045.96, 162,067.32 and 29,168.16

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Solution

The fourth proportional to 108,045.96, 162,067.32 and 29,168.16 is: 43,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045.96 : 162,067.32 = 29,168.16 : x
  2. Step 2: Convert to fraction form
    108,045.96/162,067.32 = 29,168.16/x
  3. Step 3: Cross multiply
    108,045.96x = 162,067.32 × 29,168.16
  4. Step 4: Simplify right side
    108,045.96x = 4,727,205,520.53
  5. Step 5: Solve for x
    x = 4,727,205,520.53/108,045.96
  6. Step 6: Final answer
    x = 43,751.80

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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.