Home / 108,982.20-163,483.83-42,427.74

Finding the Fourth Proportional to 108,982.20, 163,483.83 and 42,427.74

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Solution

The fourth proportional to 108,982.20, 163,483.83 and 42,427.74 is: 63,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,982.20 : 163,483.83 = 42,427.74 : x
  2. Step 2: Convert to fraction form
    108,982.20/163,483.83 = 42,427.74/x
  3. Step 3: Cross multiply
    108,982.20x = 163,483.83 × 42,427.74
  4. Step 4: Simplify right side
    108,982.20x = 6,936,249,433.44
  5. Step 5: Solve for x
    x = 6,936,249,433.44/108,982.20
  6. Step 6: Final answer
    x = 63,645.71

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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.