Home / 207,917.79-311,829.63-95,489.93

Finding the Fourth Proportional to 207,917.79, 311,829.63 and 95,489.93

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Solution

The fourth proportional to 207,917.79, 311,829.63 and 95,489.93 is: 143,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,917.79 : 311,829.63 = 95,489.93 : x
  2. Step 2: Convert to fraction form
    207,917.79/311,829.63 = 95,489.93/x
  3. Step 3: Cross multiply
    207,917.79x = 311,829.63 × 95,489.93
  4. Step 4: Simplify right side
    207,917.79x = 29,776,589,540.63
  5. Step 5: Solve for x
    x = 29,776,589,540.63/207,917.79
  6. Step 6: Final answer
    x = 143,213.28

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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.