Home / 130,818.62-196,260.74-51,906.80

Finding the Fourth Proportional to 130,818.62, 196,260.74 and 51,906.80

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Solution

The fourth proportional to 130,818.62, 196,260.74 and 51,906.80 is: 77,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,818.62 : 196,260.74 = 51,906.80 : x
  2. Step 2: Convert to fraction form
    130,818.62/196,260.74 = 51,906.80/x
  3. Step 3: Cross multiply
    130,818.62x = 196,260.74 × 51,906.80
  4. Step 4: Simplify right side
    130,818.62x = 10,187,266,979.03
  5. Step 5: Solve for x
    x = 10,187,266,979.03/130,818.62
  6. Step 6: Final answer
    x = 77,873.22

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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.