Home / 101,845.25-140,546.45-57,133.25

Finding the Fourth Proportional to 101,845.25, 140,546.45 and 57,133.25

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Solution

The fourth proportional to 101,845.25, 140,546.45 and 57,133.25 is: 78,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.25 : 140,546.45 = 57,133.25 : x
  2. Step 2: Convert to fraction form
    101,845.25/140,546.45 = 57,133.25/x
  3. Step 3: Cross multiply
    101,845.25x = 140,546.45 × 57,133.25
  4. Step 4: Simplify right side
    101,845.25x = 8,029,875,464.46
  5. Step 5: Solve for x
    x = 8,029,875,464.46/101,845.25
  6. Step 6: Final answer
    x = 78,843.89

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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.