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Finding the Fourth Proportional to 127,265.93, 190,940.41 and 60,697.40

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Solution

The fourth proportional to 127,265.93, 190,940.41 and 60,697.40 is: 91,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,265.93 : 190,940.41 = 60,697.40 : x
  2. Step 2: Convert to fraction form
    127,265.93/190,940.41 = 60,697.40/x
  3. Step 3: Cross multiply
    127,265.93x = 190,940.41 × 60,697.40
  4. Step 4: Simplify right side
    127,265.93x = 11,589,586,767.54
  5. Step 5: Solve for x
    x = 11,589,586,767.54/127,265.93
  6. Step 6: Final answer
    x = 91,065.91

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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.