Home / 113,147.25-169,742.73-43,021.11

Finding the Fourth Proportional to 113,147.25, 169,742.73 and 43,021.11

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Solution

The fourth proportional to 113,147.25, 169,742.73 and 43,021.11 is: 64,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,147.25 : 169,742.73 = 43,021.11 : x
  2. Step 2: Convert to fraction form
    113,147.25/169,742.73 = 43,021.11/x
  3. Step 3: Cross multiply
    113,147.25x = 169,742.73 × 43,021.11
  4. Step 4: Simplify right side
    113,147.25x = 7,302,520,659.03
  5. Step 5: Solve for x
    x = 7,302,520,659.03/113,147.25
  6. Step 6: Final answer
    x = 64,539.97

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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.