Home / 138,069.45-206,800.59-114,105.42

Finding the Fourth Proportional to 138,069.45, 206,800.59 and 114,105.42

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Solution

The fourth proportional to 138,069.45, 206,800.59 and 114,105.42 is: 170,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,069.45 : 206,800.59 = 114,105.42 : x
  2. Step 2: Convert to fraction form
    138,069.45/206,800.59 = 114,105.42/x
  3. Step 3: Cross multiply
    138,069.45x = 206,800.59 × 114,105.42
  4. Step 4: Simplify right side
    138,069.45x = 23,597,068,178.20
  5. Step 5: Solve for x
    x = 23,597,068,178.20/138,069.45
  6. Step 6: Final answer
    x = 170,907.24

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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.