Home / 113,221.90-169,821.92-34,336.81

Finding the Fourth Proportional to 113,221.90, 169,821.92 and 34,336.81

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Solution

The fourth proportional to 113,221.90, 169,821.92 and 34,336.81 is: 51,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,221.90 : 169,821.92 = 34,336.81 : x
  2. Step 2: Convert to fraction form
    113,221.90/169,821.92 = 34,336.81/x
  3. Step 3: Cross multiply
    113,221.90x = 169,821.92 × 34,336.81
  4. Step 4: Simplify right side
    113,221.90x = 5,831,143,105.85
  5. Step 5: Solve for x
    x = 5,831,143,105.85/113,221.90
  6. Step 6: Final answer
    x = 51,501.90

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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.