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Finding the Fourth Proportional to 108,972, 163,458 and 35,100

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Solution

The fourth proportional to 108,972, 163,458 and 35,100 is: 52,650

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972 : 163,458 = 35,100 : x
  2. Step 2: Convert to fraction form
    108,972/163,458 = 35,100/x
  3. Step 3: Cross multiply
    108,972x = 163,458 × 35,100
  4. Step 4: Simplify right side
    108,972x = 5,737,375,800
  5. Step 5: Solve for x
    x = 5,737,375,800/108,972
  6. Step 6: Final answer
    x = 52,650

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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.