Home / 110,388.14-165,530.37-51,186.86

Finding the Fourth Proportional to 110,388.14, 165,530.37 and 51,186.86

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Solution

The fourth proportional to 110,388.14, 165,530.37 and 51,186.86 is: 76,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,388.14 : 165,530.37 = 51,186.86 : x
  2. Step 2: Convert to fraction form
    110,388.14/165,530.37 = 51,186.86/x
  3. Step 3: Cross multiply
    110,388.14x = 165,530.37 × 51,186.86
  4. Step 4: Simplify right side
    110,388.14x = 8,472,979,874.94
  5. Step 5: Solve for x
    x = 8,472,979,874.94/110,388.14
  6. Step 6: Final answer
    x = 76,756.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.