Home / 102,383.10-141,287.22-57,062.79

Finding the Fourth Proportional to 102,383.10, 141,287.22 and 57,062.79

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Solution

The fourth proportional to 102,383.10, 141,287.22 and 57,062.79 is: 78,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,383.10 : 141,287.22 = 57,062.79 : x
  2. Step 2: Convert to fraction form
    102,383.10/141,287.22 = 57,062.79/x
  3. Step 3: Cross multiply
    102,383.10x = 141,287.22 × 57,062.79
  4. Step 4: Simplify right side
    102,383.10x = 8,062,242,964.54
  5. Step 5: Solve for x
    x = 8,062,242,964.54/102,383.10
  6. Step 6: Final answer
    x = 78,745.84

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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.