Home / 196,949.92-272,138.64-145,889.44

Finding the Fourth Proportional to 196,949.92, 272,138.64 and 145,889.44

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Solution

The fourth proportional to 196,949.92, 272,138.64 and 145,889.44 is: 201,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,949.92 : 272,138.64 = 145,889.44 : x
  2. Step 2: Convert to fraction form
    196,949.92/272,138.64 = 145,889.44/x
  3. Step 3: Cross multiply
    196,949.92x = 272,138.64 × 145,889.44
  4. Step 4: Simplify right side
    196,949.92x = 39,702,153,791.96
  5. Step 5: Solve for x
    x = 39,702,153,791.96/196,949.92
  6. Step 6: Final answer
    x = 201,585.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.