Home / 109,680.66-164,486.97-39,550.86

Finding the Fourth Proportional to 109,680.66, 164,486.97 and 39,550.86

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Solution

The fourth proportional to 109,680.66, 164,486.97 and 39,550.86 is: 59,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.66 : 164,486.97 = 39,550.86 : x
  2. Step 2: Convert to fraction form
    109,680.66/164,486.97 = 39,550.86/x
  3. Step 3: Cross multiply
    109,680.66x = 164,486.97 × 39,550.86
  4. Step 4: Simplify right side
    109,680.66x = 6,505,601,122.29
  5. Step 5: Solve for x
    x = 6,505,601,122.29/109,680.66
  6. Step 6: Final answer
    x = 59,314.02

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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.