Home / 196,494.77-271,164.28-109,281.09

Finding the Fourth Proportional to 196,494.77, 271,164.28 and 109,281.09

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Solution

The fourth proportional to 196,494.77, 271,164.28 and 109,281.09 is: 150,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,494.77 : 271,164.28 = 109,281.09 : x
  2. Step 2: Convert to fraction form
    196,494.77/271,164.28 = 109,281.09/x
  3. Step 3: Cross multiply
    196,494.77x = 271,164.28 × 109,281.09
  4. Step 4: Simplify right side
    196,494.77x = 29,633,128,087.47
  5. Step 5: Solve for x
    x = 29,633,128,087.47/196,494.77
  6. Step 6: Final answer
    x = 150,808.74

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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.