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Finding the Fourth Proportional to 131,060, 196,590 and 43,508

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Solution

The fourth proportional to 131,060, 196,590 and 43,508 is: 65,262

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060 : 196,590 = 43,508 : x
  2. Step 2: Convert to fraction form
    131,060/196,590 = 43,508/x
  3. Step 3: Cross multiply
    131,060x = 196,590 × 43,508
  4. Step 4: Simplify right side
    131,060x = 8,553,237,720
  5. Step 5: Solve for x
    x = 8,553,237,720/131,060
  6. Step 6: Final answer
    x = 65,262

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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.