Home / 108,984.36-163,377.48-97,174.56

Finding the Fourth Proportional to 108,984.36, 163,377.48 and 97,174.56

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Solution

The fourth proportional to 108,984.36, 163,377.48 and 97,174.56 is: 145,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.36 : 163,377.48 = 97,174.56 : x
  2. Step 2: Convert to fraction form
    108,984.36/163,377.48 = 97,174.56/x
  3. Step 3: Cross multiply
    108,984.36x = 163,377.48 × 97,174.56
  4. Step 4: Simplify right side
    108,984.36x = 15,876,134,732.91
  5. Step 5: Solve for x
    x = 15,876,134,732.91/108,984.36
  6. Step 6: Final answer
    x = 145,673.51

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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.