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Finding the Fourth Proportional to 110,305.80, 164,211.30 and 109,649.70

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Solution

The fourth proportional to 110,305.80, 164,211.30 and 109,649.70 is: 163,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,305.80 : 164,211.30 = 109,649.70 : x
  2. Step 2: Convert to fraction form
    110,305.80/164,211.30 = 109,649.70/x
  3. Step 3: Cross multiply
    110,305.80x = 164,211.30 × 109,649.70
  4. Step 4: Simplify right side
    110,305.80x = 18,005,719,781.61
  5. Step 5: Solve for x
    x = 18,005,719,781.61/110,305.80
  6. Step 6: Final answer
    x = 163,234.57

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.