Home / 134,692.08-185,872.82-74,268.38

Finding the Fourth Proportional to 134,692.08, 185,872.82 and 74,268.38

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Solution

The fourth proportional to 134,692.08, 185,872.82 and 74,268.38 is: 102,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,692.08 : 185,872.82 = 74,268.38 : x
  2. Step 2: Convert to fraction form
    134,692.08/185,872.82 = 74,268.38/x
  3. Step 3: Cross multiply
    134,692.08x = 185,872.82 × 74,268.38
  4. Step 4: Simplify right side
    134,692.08x = 13,804,471,926.73
  5. Step 5: Solve for x
    x = 13,804,471,926.73/134,692.08
  6. Step 6: Final answer
    x = 102,489.11

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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.