Home / 127,850.20-191,645.70-75,232.60

Finding the Fourth Proportional to 127,850.20, 191,645.70 and 75,232.60

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Solution

The fourth proportional to 127,850.20, 191,645.70 and 75,232.60 is: 112,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.20 : 191,645.70 = 75,232.60 : x
  2. Step 2: Convert to fraction form
    127,850.20/191,645.70 = 75,232.60/x
  3. Step 3: Cross multiply
    127,850.20x = 191,645.70 × 75,232.60
  4. Step 4: Simplify right side
    127,850.20x = 14,418,004,289.82
  5. Step 5: Solve for x
    x = 14,418,004,289.82/127,850.20
  6. Step 6: Final answer
    x = 112,772.64

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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.