Home / 126,742.85-190,046.08-50,803.28

Finding the Fourth Proportional to 126,742.85, 190,046.08 and 50,803.28

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Solution

The fourth proportional to 126,742.85, 190,046.08 and 50,803.28 is: 76,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742.85 : 190,046.08 = 50,803.28 : x
  2. Step 2: Convert to fraction form
    126,742.85/190,046.08 = 50,803.28/x
  3. Step 3: Cross multiply
    126,742.85x = 190,046.08 × 50,803.28
  4. Step 4: Simplify right side
    126,742.85x = 9,654,963,137.90
  5. Step 5: Solve for x
    x = 9,654,963,137.90/126,742.85
  6. Step 6: Final answer
    x = 76,177.57

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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.