Home / 131,294.52-196,995.24-61,130.70

Finding the Fourth Proportional to 131,294.52, 196,995.24 and 61,130.70

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Solution

The fourth proportional to 131,294.52, 196,995.24 and 61,130.70 is: 91,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,294.52 : 196,995.24 = 61,130.70 : x
  2. Step 2: Convert to fraction form
    131,294.52/196,995.24 = 61,130.70/x
  3. Step 3: Cross multiply
    131,294.52x = 196,995.24 × 61,130.70
  4. Step 4: Simplify right side
    131,294.52x = 12,042,456,917.87
  5. Step 5: Solve for x
    x = 12,042,456,917.87/131,294.52
  6. Step 6: Final answer
    x = 91,720.94

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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.