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Finding the Fourth Proportional to 108,504, 149,722.92 and 63,191.88

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Solution

The fourth proportional to 108,504, 149,722.92 and 63,191.88 is: 87,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,504 : 149,722.92 = 63,191.88 : x
  2. Step 2: Convert to fraction form
    108,504/149,722.92 = 63,191.88/x
  3. Step 3: Cross multiply
    108,504x = 149,722.92 × 63,191.88
  4. Step 4: Simplify right side
    108,504x = 9,461,272,793.89
  5. Step 5: Solve for x
    x = 9,461,272,793.89/108,504
  6. Step 6: Final answer
    x = 87,197.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.