Home / 81,790.16-122,692.20-22,625.84

Finding the Fourth Proportional to 81,790.16, 122,692.20 and 22,625.84

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Solution

The fourth proportional to 81,790.16, 122,692.20 and 22,625.84 is: 33,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,790.16 : 122,692.20 = 22,625.84 : x
  2. Step 2: Convert to fraction form
    81,790.16/122,692.20 = 22,625.84/x
  3. Step 3: Cross multiply
    81,790.16x = 122,692.20 × 22,625.84
  4. Step 4: Simplify right side
    81,790.16x = 2,776,014,086.45
  5. Step 5: Solve for x
    x = 2,776,014,086.45/81,790.16
  6. Step 6: Final answer
    x = 33,940.69

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1.5x scale

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.