Home / 99,668.38-137,541.36-54,346.26

Finding the Fourth Proportional to 99,668.38, 137,541.36 and 54,346.26

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Solution

The fourth proportional to 99,668.38, 137,541.36 and 54,346.26 is: 74,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668.38 : 137,541.36 = 54,346.26 : x
  2. Step 2: Convert to fraction form
    99,668.38/137,541.36 = 54,346.26/x
  3. Step 3: Cross multiply
    99,668.38x = 137,541.36 × 54,346.26
  4. Step 4: Simplify right side
    99,668.38x = 7,474,858,511.31
  5. Step 5: Solve for x
    x = 7,474,858,511.31/99,668.38
  6. Step 6: Final answer
    x = 74,997.29

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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.