Home / 196,192.20-270,742.64-115,623.12

Finding the Fourth Proportional to 196,192.20, 270,742.64 and 115,623.12

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Solution

The fourth proportional to 196,192.20, 270,742.64 and 115,623.12 is: 159,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,192.20 : 270,742.64 = 115,623.12 : x
  2. Step 2: Convert to fraction form
    196,192.20/270,742.64 = 115,623.12/x
  3. Step 3: Cross multiply
    196,192.20x = 270,742.64 × 115,623.12
  4. Step 4: Simplify right side
    196,192.20x = 31,304,108,753.84
  5. Step 5: Solve for x
    x = 31,304,108,753.84/196,192.20
  6. Step 6: Final answer
    x = 159,558.38

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1.5x scale

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.