Home / 307,799.72-461,725.90-108,102.72

Finding the Fourth Proportional to 307,799.72, 461,725.90 and 108,102.72

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Solution

The fourth proportional to 307,799.72, 461,725.90 and 108,102.72 is: 162,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,799.72 : 461,725.90 = 108,102.72 : x
  2. Step 2: Convert to fraction form
    307,799.72/461,725.90 = 108,102.72/x
  3. Step 3: Cross multiply
    307,799.72x = 461,725.90 × 108,102.72
  4. Step 4: Simplify right side
    307,799.72x = 49,913,825,684.45
  5. Step 5: Solve for x
    x = 49,913,825,684.45/307,799.72
  6. Step 6: Final answer
    x = 162,163.32

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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.