Home / 131,499.78-197,222.32-46,122

Finding the Fourth Proportional to 131,499.78, 197,222.32 and 46,122

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Solution

The fourth proportional to 131,499.78, 197,222.32 and 46,122 is: 69,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,499.78 : 197,222.32 = 46,122 : x
  2. Step 2: Convert to fraction form
    131,499.78/197,222.32 = 46,122/x
  3. Step 3: Cross multiply
    131,499.78x = 197,222.32 × 46,122
  4. Step 4: Simplify right side
    131,499.78x = 9,096,287,843.04
  5. Step 5: Solve for x
    x = 9,096,287,843.04/131,499.78
  6. Step 6: Final answer
    x = 69,173.41

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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.