Home / 103,235.82-154,806.21-40,863.66

Finding the Fourth Proportional to 103,235.82, 154,806.21 and 40,863.66

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Solution

The fourth proportional to 103,235.82, 154,806.21 and 40,863.66 is: 61,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,235.82 : 154,806.21 = 40,863.66 : x
  2. Step 2: Convert to fraction form
    103,235.82/154,806.21 = 40,863.66/x
  3. Step 3: Cross multiply
    103,235.82x = 154,806.21 × 40,863.66
  4. Step 4: Simplify right side
    103,235.82x = 6,325,948,331.33
  5. Step 5: Solve for x
    x = 6,325,948,331.33/103,235.82
  6. Step 6: Final answer
    x = 61,276.68

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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.