Home / 110,400.56-165,490.11-51,277.75

Finding the Fourth Proportional to 110,400.56, 165,490.11 and 51,277.75

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Solution

The fourth proportional to 110,400.56, 165,490.11 and 51,277.75 is: 76,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,400.56 : 165,490.11 = 51,277.75 : x
  2. Step 2: Convert to fraction form
    110,400.56/165,490.11 = 51,277.75/x
  3. Step 3: Cross multiply
    110,400.56x = 165,490.11 × 51,277.75
  4. Step 4: Simplify right side
    110,400.56x = 8,485,960,488.05
  5. Step 5: Solve for x
    x = 8,485,960,488.05/110,400.56
  6. Step 6: Final answer
    x = 76,865.19

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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.