Home / 126,877.80-190,316.70-104,716.20

Finding the Fourth Proportional to 126,877.80, 190,316.70 and 104,716.20

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Solution

The fourth proportional to 126,877.80, 190,316.70 and 104,716.20 is: 157,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.80 : 190,316.70 = 104,716.20 : x
  2. Step 2: Convert to fraction form
    126,877.80/190,316.70 = 104,716.20/x
  3. Step 3: Cross multiply
    126,877.80x = 190,316.70 × 104,716.20
  4. Step 4: Simplify right side
    126,877.80x = 19,929,241,620.54
  5. Step 5: Solve for x
    x = 19,929,241,620.54/126,877.80
  6. Step 6: Final answer
    x = 157,074.30

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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.