Home / 188,692.02-260,401.41-108,135.09

Finding the Fourth Proportional to 188,692.02, 260,401.41 and 108,135.09

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Solution

The fourth proportional to 188,692.02, 260,401.41 and 108,135.09 is: 149,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,692.02 : 260,401.41 = 108,135.09 : x
  2. Step 2: Convert to fraction form
    188,692.02/260,401.41 = 108,135.09/x
  3. Step 3: Cross multiply
    188,692.02x = 260,401.41 × 108,135.09
  4. Step 4: Simplify right side
    188,692.02x = 28,158,529,906.48
  5. Step 5: Solve for x
    x = 28,158,529,906.48/188,692.02
  6. Step 6: Final answer
    x = 149,230.10

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1.5x scale

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.