Home / 91,146.04-125,781.36-50,857.36

Finding the Fourth Proportional to 91,146.04, 125,781.36 and 50,857.36

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Solution

The fourth proportional to 91,146.04, 125,781.36 and 50,857.36 is: 70,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.04 : 125,781.36 = 50,857.36 : x
  2. Step 2: Convert to fraction form
    91,146.04/125,781.36 = 50,857.36/x
  3. Step 3: Cross multiply
    91,146.04x = 125,781.36 × 50,857.36
  4. Step 4: Simplify right side
    91,146.04x = 6,396,907,906.81
  5. Step 5: Solve for x
    x = 6,396,907,906.81/91,146.04
  6. Step 6: Final answer
    x = 70,183.06

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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.