Home / 126,724.14-190,150.70-79,331.13

Finding the Fourth Proportional to 126,724.14, 190,150.70 and 79,331.13

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Solution

The fourth proportional to 126,724.14, 190,150.70 and 79,331.13 is: 119,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724.14 : 190,150.70 = 79,331.13 : x
  2. Step 2: Convert to fraction form
    126,724.14/190,150.70 = 79,331.13/x
  3. Step 3: Cross multiply
    126,724.14x = 190,150.70 × 79,331.13
  4. Step 4: Simplify right side
    126,724.14x = 15,084,869,504.64
  5. Step 5: Solve for x
    x = 15,084,869,504.64/126,724.14
  6. Step 6: Final answer
    x = 119,037.06

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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.