Home / 101,676.57-140,317.26-61,382.46

Finding the Fourth Proportional to 101,676.57, 140,317.26 and 61,382.46

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Solution

The fourth proportional to 101,676.57, 140,317.26 and 61,382.46 is: 84,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,676.57 : 140,317.26 = 61,382.46 : x
  2. Step 2: Convert to fraction form
    101,676.57/140,317.26 = 61,382.46/x
  3. Step 3: Cross multiply
    101,676.57x = 140,317.26 × 61,382.46
  4. Step 4: Simplify right side
    101,676.57x = 8,613,018,451.26
  5. Step 5: Solve for x
    x = 8,613,018,451.26/101,676.57
  6. Step 6: Final answer
    x = 84,709.97

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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.