Home / 115,832.54-173,465.87-71,398.17

Finding the Fourth Proportional to 115,832.54, 173,465.87 and 71,398.17

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Solution

The fourth proportional to 115,832.54, 173,465.87 and 71,398.17 is: 106,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,832.54 : 173,465.87 = 71,398.17 : x
  2. Step 2: Convert to fraction form
    115,832.54/173,465.87 = 71,398.17/x
  3. Step 3: Cross multiply
    115,832.54x = 173,465.87 × 71,398.17
  4. Step 4: Simplify right side
    115,832.54x = 12,385,145,318.47
  5. Step 5: Solve for x
    x = 12,385,145,318.47/115,832.54
  6. Step 6: Final answer
    x = 106,922.85

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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.