Home / 108,664.30-162,996.45-104,727.70

Finding the Fourth Proportional to 108,664.30, 162,996.45 and 104,727.70

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Solution

The fourth proportional to 108,664.30, 162,996.45 and 104,727.70 is: 157,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.30 : 162,996.45 = 104,727.70 : x
  2. Step 2: Convert to fraction form
    108,664.30/162,996.45 = 104,727.70/x
  3. Step 3: Cross multiply
    108,664.30x = 162,996.45 × 104,727.70
  4. Step 4: Simplify right side
    108,664.30x = 17,070,243,316.67
  5. Step 5: Solve for x
    x = 17,070,243,316.67/108,664.30
  6. Step 6: Final answer
    x = 157,091.55

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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.