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Finding the Fourth Proportional to 115,600.77, 173,474.06 and 45,470.97

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Solution

The fourth proportional to 115,600.77, 173,474.06 and 45,470.97 is: 68,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,600.77 : 173,474.06 = 45,470.97 : x
  2. Step 2: Convert to fraction form
    115,600.77/173,474.06 = 45,470.97/x
  3. Step 3: Cross multiply
    115,600.77x = 173,474.06 × 45,470.97
  4. Step 4: Simplify right side
    115,600.77x = 7,888,033,550.68
  5. Step 5: Solve for x
    x = 7,888,033,550.68/115,600.77
  6. Step 6: Final answer
    x = 68,235.13

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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.