Home / 131,289.58-196,934.37-104,870.62

Finding the Fourth Proportional to 131,289.58, 196,934.37 and 104,870.62

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Solution

The fourth proportional to 131,289.58, 196,934.37 and 104,870.62 is: 157,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,289.58 : 196,934.37 = 104,870.62 : x
  2. Step 2: Convert to fraction form
    131,289.58/196,934.37 = 104,870.62/x
  3. Step 3: Cross multiply
    131,289.58x = 196,934.37 × 104,870.62
  4. Step 4: Simplify right side
    131,289.58x = 20,652,629,481.21
  5. Step 5: Solve for x
    x = 20,652,629,481.21/131,289.58
  6. Step 6: Final answer
    x = 157,305.93

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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.