Home / 131,168.14-181,006.67-77,470.54

Finding the Fourth Proportional to 131,168.14, 181,006.67 and 77,470.54

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Solution

The fourth proportional to 131,168.14, 181,006.67 and 77,470.54 is: 106,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,168.14 : 181,006.67 = 77,470.54 : x
  2. Step 2: Convert to fraction form
    131,168.14/181,006.67 = 77,470.54/x
  3. Step 3: Cross multiply
    131,168.14x = 181,006.67 × 77,470.54
  4. Step 4: Simplify right side
    131,168.14x = 14,022,684,209.66
  5. Step 5: Solve for x
    x = 14,022,684,209.66/131,168.14
  6. Step 6: Final answer
    x = 106,906.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.