Home / 120,910.32-181,367.06-52,506.12

Finding the Fourth Proportional to 120,910.32, 181,367.06 and 52,506.12

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Solution

The fourth proportional to 120,910.32, 181,367.06 and 52,506.12 is: 78,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,910.32 : 181,367.06 = 52,506.12 : x
  2. Step 2: Convert to fraction form
    120,910.32/181,367.06 = 52,506.12/x
  3. Step 3: Cross multiply
    120,910.32x = 181,367.06 × 52,506.12
  4. Step 4: Simplify right side
    120,910.32x = 9,522,880,616.41
  5. Step 5: Solve for x
    x = 9,522,880,616.41/120,910.32
  6. Step 6: Final answer
    x = 78,759.87

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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.