Home / 196,398.22-271,054.83-119,901.28

Finding the Fourth Proportional to 196,398.22, 271,054.83 and 119,901.28

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Solution

The fourth proportional to 196,398.22, 271,054.83 and 119,901.28 is: 165,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,398.22 : 271,054.83 = 119,901.28 : x
  2. Step 2: Convert to fraction form
    196,398.22/271,054.83 = 119,901.28/x
  3. Step 3: Cross multiply
    196,398.22x = 271,054.83 × 119,901.28
  4. Step 4: Simplify right side
    196,398.22x = 32,499,821,067.18
  5. Step 5: Solve for x
    x = 32,499,821,067.18/196,398.22
  6. Step 6: Final answer
    x = 165,479.20

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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.