Home / 132,705.46-199,091.91-39,211.21

Finding the Fourth Proportional to 132,705.46, 199,091.91 and 39,211.21

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Solution

The fourth proportional to 132,705.46, 199,091.91 and 39,211.21 is: 58,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,705.46 : 199,091.91 = 39,211.21 : x
  2. Step 2: Convert to fraction form
    132,705.46/199,091.91 = 39,211.21/x
  3. Step 3: Cross multiply
    132,705.46x = 199,091.91 × 39,211.21
  4. Step 4: Simplify right side
    132,705.46x = 7,806,634,692.31
  5. Step 5: Solve for x
    x = 7,806,634,692.31/132,705.46
  6. Step 6: Final answer
    x = 58,826.78

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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.