Home / 131,504.44-197,306.32-78,950.56

Finding the Fourth Proportional to 131,504.44, 197,306.32 and 78,950.56

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Solution

The fourth proportional to 131,504.44, 197,306.32 and 78,950.56 is: 118,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,504.44 : 197,306.32 = 78,950.56 : x
  2. Step 2: Convert to fraction form
    131,504.44/197,306.32 = 78,950.56/x
  3. Step 3: Cross multiply
    131,504.44x = 197,306.32 × 78,950.56
  4. Step 4: Simplify right side
    131,504.44x = 15,577,444,455.54
  5. Step 5: Solve for x
    x = 15,577,444,455.54/131,504.44
  6. Step 6: Final answer
    x = 118,455.65

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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.