Home / 195,057.60-292,659.30-76,811.37

Finding the Fourth Proportional to 195,057.60, 292,659.30 and 76,811.37

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Solution

The fourth proportional to 195,057.60, 292,659.30 and 76,811.37 is: 115,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,057.60 : 292,659.30 = 76,811.37 : x
  2. Step 2: Convert to fraction form
    195,057.60/292,659.30 = 76,811.37/x
  3. Step 3: Cross multiply
    195,057.60x = 292,659.30 × 76,811.37
  4. Step 4: Simplify right side
    195,057.60x = 22,479,561,776.24
  5. Step 5: Solve for x
    x = 22,479,561,776.24/195,057.60
  6. Step 6: Final answer
    x = 115,245.76

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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.