Home / 108,986.36-163,380.48-97,176.56

Finding the Fourth Proportional to 108,986.36, 163,380.48 and 97,176.56

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Solution

The fourth proportional to 108,986.36, 163,380.48 and 97,176.56 is: 145,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,986.36 : 163,380.48 = 97,176.56 : x
  2. Step 2: Convert to fraction form
    108,986.36/163,380.48 = 97,176.56/x
  3. Step 3: Cross multiply
    108,986.36x = 163,380.48 × 97,176.56
  4. Step 4: Simplify right side
    108,986.36x = 15,876,753,017.55
  5. Step 5: Solve for x
    x = 15,876,753,017.55/108,986.36
  6. Step 6: Final answer
    x = 145,676.51

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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.