Home / 165,311.54-227,918.72-107,065.36

Finding the Fourth Proportional to 165,311.54, 227,918.72 and 107,065.36

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Solution

The fourth proportional to 165,311.54, 227,918.72 and 107,065.36 is: 147,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,311.54 : 227,918.72 = 107,065.36 : x
  2. Step 2: Convert to fraction form
    165,311.54/227,918.72 = 107,065.36/x
  3. Step 3: Cross multiply
    165,311.54x = 227,918.72 × 107,065.36
  4. Step 4: Simplify right side
    165,311.54x = 24,402,198,667.95
  5. Step 5: Solve for x
    x = 24,402,198,667.95/165,311.54
  6. Step 6: Final answer
    x = 147,613.41

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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.