Home / 108,901.20-163,133.10-73,471.80

Finding the Fourth Proportional to 108,901.20, 163,133.10 and 73,471.80

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Solution

The fourth proportional to 108,901.20, 163,133.10 and 73,471.80 is: 110,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,901.20 : 163,133.10 = 73,471.80 : x
  2. Step 2: Convert to fraction form
    108,901.20/163,133.10 = 73,471.80/x
  3. Step 3: Cross multiply
    108,901.20x = 163,133.10 × 73,471.80
  4. Step 4: Simplify right side
    108,901.20x = 11,985,682,496.58
  5. Step 5: Solve for x
    x = 11,985,682,496.58/108,901.20
  6. Step 6: Final answer
    x = 110,060.15

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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.