Home / 89,266.24-123,186.72-51,561.28

Finding the Fourth Proportional to 89,266.24, 123,186.72 and 51,561.28

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Solution

The fourth proportional to 89,266.24, 123,186.72 and 51,561.28 is: 71,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,266.24 : 123,186.72 = 51,561.28 : x
  2. Step 2: Convert to fraction form
    89,266.24/123,186.72 = 51,561.28/x
  3. Step 3: Cross multiply
    89,266.24x = 123,186.72 × 51,561.28
  4. Step 4: Simplify right side
    89,266.24x = 6,351,664,962.20
  5. Step 5: Solve for x
    x = 6,351,664,962.20/89,266.24
  6. Step 6: Final answer
    x = 71,154.17

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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.