Home / 108,844.38-163,235.66-42,270.30

Finding the Fourth Proportional to 108,844.38, 163,235.66 and 42,270.30

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Solution

The fourth proportional to 108,844.38, 163,235.66 and 42,270.30 is: 63,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,844.38 : 163,235.66 = 42,270.30 : x
  2. Step 2: Convert to fraction form
    108,844.38/163,235.66 = 42,270.30/x
  3. Step 3: Cross multiply
    108,844.38x = 163,235.66 × 42,270.30
  4. Step 4: Simplify right side
    108,844.38x = 6,900,020,107.55
  5. Step 5: Solve for x
    x = 6,900,020,107.55/108,844.38
  6. Step 6: Final answer
    x = 63,393.44

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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.