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Finding the Fourth Proportional to 115,543, 173,314.52 and 41,671

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Solution

The fourth proportional to 115,543, 173,314.52 and 41,671 is: 62,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543 : 173,314.52 = 41,671 : x
  2. Step 2: Convert to fraction form
    115,543/173,314.52 = 41,671/x
  3. Step 3: Cross multiply
    115,543x = 173,314.52 × 41,671
  4. Step 4: Simplify right side
    115,543x = 7,222,189,362.92
  5. Step 5: Solve for x
    x = 7,222,189,362.92/115,543
  6. Step 6: Final answer
    x = 62,506.51

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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.