Home / 132,054.20-197,789.70-53,127.80

Finding the Fourth Proportional to 132,054.20, 197,789.70 and 53,127.80

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Solution

The fourth proportional to 132,054.20, 197,789.70 and 53,127.80 is: 79,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,054.20 : 197,789.70 = 53,127.80 : x
  2. Step 2: Convert to fraction form
    132,054.20/197,789.70 = 53,127.80/x
  3. Step 3: Cross multiply
    132,054.20x = 197,789.70 × 53,127.80
  4. Step 4: Simplify right side
    132,054.20x = 10,508,131,623.66
  5. Step 5: Solve for x
    x = 10,508,131,623.66/132,054.20
  6. Step 6: Final answer
    x = 79,574.38

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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.