Home / 108,486.14-149,692.96-68,171.32

Finding the Fourth Proportional to 108,486.14, 149,692.96 and 68,171.32

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Solution

The fourth proportional to 108,486.14, 149,692.96 and 68,171.32 is: 94,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486.14 : 149,692.96 = 68,171.32 : x
  2. Step 2: Convert to fraction form
    108,486.14/149,692.96 = 68,171.32/x
  3. Step 3: Cross multiply
    108,486.14x = 149,692.96 × 68,171.32
  4. Step 4: Simplify right side
    108,486.14x = 10,204,766,950.24
  5. Step 5: Solve for x
    x = 10,204,766,950.24/108,486.14
  6. Step 6: Final answer
    x = 94,065.17

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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.