Home / 97,836.22-135,015.60-54,815.24

Finding the Fourth Proportional to 97,836.22, 135,015.60 and 54,815.24

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Solution

The fourth proportional to 97,836.22, 135,015.60 and 54,815.24 is: 75,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,836.22 : 135,015.60 = 54,815.24 : x
  2. Step 2: Convert to fraction form
    97,836.22/135,015.60 = 54,815.24/x
  3. Step 3: Cross multiply
    97,836.22x = 135,015.60 × 54,815.24
  4. Step 4: Simplify right side
    97,836.22x = 7,400,912,517.74
  5. Step 5: Solve for x
    x = 7,400,912,517.74/97,836.22
  6. Step 6: Final answer
    x = 75,645.94

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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.