Home / 110,313.05-165,442.23-31,427.96

Finding the Fourth Proportional to 110,313.05, 165,442.23 and 31,427.96

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Solution

The fourth proportional to 110,313.05, 165,442.23 and 31,427.96 is: 47,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,313.05 : 165,442.23 = 31,427.96 : x
  2. Step 2: Convert to fraction form
    110,313.05/165,442.23 = 31,427.96/x
  3. Step 3: Cross multiply
    110,313.05x = 165,442.23 × 31,427.96
  4. Step 4: Simplify right side
    110,313.05x = 5,199,511,451.72
  5. Step 5: Solve for x
    x = 5,199,511,451.72/110,313.05
  6. Step 6: Final answer
    x = 47,134.15

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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.