Home / 127,759.92-190,356.06-120,606

Finding the Fourth Proportional to 127,759.92, 190,356.06 and 120,606

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Solution

The fourth proportional to 127,759.92, 190,356.06 and 120,606 is: 179,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,759.92 : 190,356.06 = 120,606 : x
  2. Step 2: Convert to fraction form
    127,759.92/190,356.06 = 120,606/x
  3. Step 3: Cross multiply
    127,759.92x = 190,356.06 × 120,606
  4. Step 4: Simplify right side
    127,759.92x = 22,958,082,972.36
  5. Step 5: Solve for x
    x = 22,958,082,972.36/127,759.92
  6. Step 6: Final answer
    x = 179,697.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.