Home / 126,984.07-190,504.81-63,834.45

Finding the Fourth Proportional to 126,984.07, 190,504.81 and 63,834.45

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Solution

The fourth proportional to 126,984.07, 190,504.81 and 63,834.45 is: 95,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.07 : 190,504.81 = 63,834.45 : x
  2. Step 2: Convert to fraction form
    126,984.07/190,504.81 = 63,834.45/x
  3. Step 3: Cross multiply
    126,984.07x = 190,504.81 × 63,834.45
  4. Step 4: Simplify right side
    126,984.07x = 12,160,769,768.70
  5. Step 5: Solve for x
    x = 12,160,769,768.70/126,984.07
  6. Step 6: Final answer
    x = 95,766.10

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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.