Home / 146,140.39-219,185.87-40,935.16

Finding the Fourth Proportional to 146,140.39, 219,185.87 and 40,935.16

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Solution

The fourth proportional to 146,140.39, 219,185.87 and 40,935.16 is: 61,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,140.39 : 219,185.87 = 40,935.16 : x
  2. Step 2: Convert to fraction form
    146,140.39/219,185.87 = 40,935.16/x
  3. Step 3: Cross multiply
    146,140.39x = 219,185.87 × 40,935.16
  4. Step 4: Simplify right side
    146,140.39x = 8,972,407,839.97
  5. Step 5: Solve for x
    x = 8,972,407,839.97/146,140.39
  6. Step 6: Final answer
    x = 61,395.81

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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.