Home / 131,262.24-181,137.78-73,904.79

Finding the Fourth Proportional to 131,262.24, 181,137.78 and 73,904.79

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Solution

The fourth proportional to 131,262.24, 181,137.78 and 73,904.79 is: 101,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,262.24 : 181,137.78 = 73,904.79 : x
  2. Step 2: Convert to fraction form
    131,262.24/181,137.78 = 73,904.79/x
  3. Step 3: Cross multiply
    131,262.24x = 181,137.78 × 73,904.79
  4. Step 4: Simplify right side
    131,262.24x = 13,386,949,591.97
  5. Step 5: Solve for x
    x = 13,386,949,591.97/131,262.24
  6. Step 6: Final answer
    x = 101,986.30

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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.