Home / 131,306.34-196,917.39-42,538.44

Finding the Fourth Proportional to 131,306.34, 196,917.39 and 42,538.44

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Solution

The fourth proportional to 131,306.34, 196,917.39 and 42,538.44 is: 63,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,306.34 : 196,917.39 = 42,538.44 : x
  2. Step 2: Convert to fraction form
    131,306.34/196,917.39 = 42,538.44/x
  3. Step 3: Cross multiply
    131,306.34x = 196,917.39 × 42,538.44
  4. Step 4: Simplify right side
    131,306.34x = 8,376,558,579.47
  5. Step 5: Solve for x
    x = 8,376,558,579.47/131,306.34
  6. Step 6: Final answer
    x = 63,794.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.