Home / 126,984.70-190,515.12-38,241.10

Finding the Fourth Proportional to 126,984.70, 190,515.12 and 38,241.10

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Solution

The fourth proportional to 126,984.70, 190,515.12 and 38,241.10 is: 57,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.70 : 190,515.12 = 38,241.10 : x
  2. Step 2: Convert to fraction form
    126,984.70/190,515.12 = 38,241.10/x
  3. Step 3: Cross multiply
    126,984.70x = 190,515.12 × 38,241.10
  4. Step 4: Simplify right side
    126,984.70x = 7,285,507,755.43
  5. Step 5: Solve for x
    x = 7,285,507,755.43/126,984.70
  6. Step 6: Final answer
    x = 57,373.11

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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.