Home / 131,889.72-198,032.22-114,175.02

Finding the Fourth Proportional to 131,889.72, 198,032.22 and 114,175.02

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Solution

The fourth proportional to 131,889.72, 198,032.22 and 114,175.02 is: 171,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,889.72 : 198,032.22 = 114,175.02 : x
  2. Step 2: Convert to fraction form
    131,889.72/198,032.22 = 114,175.02/x
  3. Step 3: Cross multiply
    131,889.72x = 198,032.22 × 114,175.02
  4. Step 4: Simplify right side
    131,889.72x = 22,610,332,679.14
  5. Step 5: Solve for x
    x = 22,610,332,679.14/131,889.72
  6. Step 6: Final answer
    x = 171,433.62

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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.