Home / 195,260.45-292,778.57-76,867.20

Finding the Fourth Proportional to 195,260.45, 292,778.57 and 76,867.20

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Solution

The fourth proportional to 195,260.45, 292,778.57 and 76,867.20 is: 115,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,260.45 : 292,778.57 = 76,867.20 : x
  2. Step 2: Convert to fraction form
    195,260.45/292,778.57 = 76,867.20/x
  3. Step 3: Cross multiply
    195,260.45x = 292,778.57 × 76,867.20
  4. Step 4: Simplify right side
    195,260.45x = 22,505,068,511.57
  5. Step 5: Solve for x
    x = 22,505,068,511.57/195,260.45
  6. Step 6: Final answer
    x = 115,256.67

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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.