Home / 108,874.10-163,269.03-42,305.47

Finding the Fourth Proportional to 108,874.10, 163,269.03 and 42,305.47

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Solution

The fourth proportional to 108,874.10, 163,269.03 and 42,305.47 is: 63,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.10 : 163,269.03 = 42,305.47 : x
  2. Step 2: Convert to fraction form
    108,874.10/163,269.03 = 42,305.47/x
  3. Step 3: Cross multiply
    108,874.10x = 163,269.03 × 42,305.47
  4. Step 4: Simplify right side
    108,874.10x = 6,907,172,234.25
  5. Step 5: Solve for x
    x = 6,907,172,234.25/108,874.10
  6. Step 6: Final answer
    x = 63,441.83

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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.