Home / 89,268.82-123,189.90-51,542.26

Finding the Fourth Proportional to 89,268.82, 123,189.90 and 51,542.26

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Solution

The fourth proportional to 89,268.82, 123,189.90 and 51,542.26 is: 71,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.82 : 123,189.90 = 51,542.26 : x
  2. Step 2: Convert to fraction form
    89,268.82/123,189.90 = 51,542.26/x
  3. Step 3: Cross multiply
    89,268.82x = 123,189.90 × 51,542.26
  4. Step 4: Simplify right side
    89,268.82x = 6,349,485,855.17
  5. Step 5: Solve for x
    x = 6,349,485,855.17/89,268.82
  6. Step 6: Final answer
    x = 71,127.70

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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.