Home / 108,945.75-163,428.04-30,059.96

Finding the Fourth Proportional to 108,945.75, 163,428.04 and 30,059.96

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Solution

The fourth proportional to 108,945.75, 163,428.04 and 30,059.96 is: 45,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,945.75 : 163,428.04 = 30,059.96 : x
  2. Step 2: Convert to fraction form
    108,945.75/163,428.04 = 30,059.96/x
  3. Step 3: Cross multiply
    108,945.75x = 163,428.04 × 30,059.96
  4. Step 4: Simplify right side
    108,945.75x = 4,912,640,829.00
  5. Step 5: Solve for x
    x = 4,912,640,829.00/108,945.75
  6. Step 6: Final answer
    x = 45,092.54

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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.