Home / 108,789.60-163,188.42-29,910

Finding the Fourth Proportional to 108,789.60, 163,188.42 and 29,910

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Solution

The fourth proportional to 108,789.60, 163,188.42 and 29,910 is: 44,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,789.60 : 163,188.42 = 29,910 : x
  2. Step 2: Convert to fraction form
    108,789.60/163,188.42 = 29,910/x
  3. Step 3: Cross multiply
    108,789.60x = 163,188.42 × 29,910
  4. Step 4: Simplify right side
    108,789.60x = 4,880,965,642.20
  5. Step 5: Solve for x
    x = 4,880,965,642.20/108,789.60
  6. Step 6: Final answer
    x = 44,866.11

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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.