Home / 196,389.16-271,047.87-115,825.55

Finding the Fourth Proportional to 196,389.16, 271,047.87 and 115,825.55

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Solution

The fourth proportional to 196,389.16, 271,047.87 and 115,825.55 is: 159,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,389.16 : 271,047.87 = 115,825.55 : x
  2. Step 2: Convert to fraction form
    196,389.16/271,047.87 = 115,825.55/x
  3. Step 3: Cross multiply
    196,389.16x = 271,047.87 × 115,825.55
  4. Step 4: Simplify right side
    196,389.16x = 31,394,267,263.84
  5. Step 5: Solve for x
    x = 31,394,267,263.84/196,389.16
  6. Step 6: Final answer
    x = 159,857.44

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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.