Home / 120,289.15-166,016.60-69,291.96

Finding the Fourth Proportional to 120,289.15, 166,016.60 and 69,291.96

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Solution

The fourth proportional to 120,289.15, 166,016.60 and 69,291.96 is: 95,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,289.15 : 166,016.60 = 69,291.96 : x
  2. Step 2: Convert to fraction form
    120,289.15/166,016.60 = 69,291.96/x
  3. Step 3: Cross multiply
    120,289.15x = 166,016.60 × 69,291.96
  4. Step 4: Simplify right side
    120,289.15x = 11,503,615,606.54
  5. Step 5: Solve for x
    x = 11,503,615,606.54/120,289.15
  6. Step 6: Final answer
    x = 95,633.03

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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.