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Finding the Fourth Proportional to 110,211.68, 152,091.44 and 59,910.64

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Solution

The fourth proportional to 110,211.68, 152,091.44 and 59,910.64 is: 82,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,211.68 : 152,091.44 = 59,910.64 : x
  2. Step 2: Convert to fraction form
    110,211.68/152,091.44 = 59,910.64/x
  3. Step 3: Cross multiply
    110,211.68x = 152,091.44 × 59,910.64
  4. Step 4: Simplify right side
    110,211.68x = 9,111,895,508.92
  5. Step 5: Solve for x
    x = 9,111,895,508.92/110,211.68
  6. Step 6: Final answer
    x = 82,676.31

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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.