Home / 138,855.47-208,125.79-58,843.64

Finding the Fourth Proportional to 138,855.47, 208,125.79 and 58,843.64

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Solution

The fourth proportional to 138,855.47, 208,125.79 and 58,843.64 is: 88,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,855.47 : 208,125.79 = 58,843.64 : x
  2. Step 2: Convert to fraction form
    138,855.47/208,125.79 = 58,843.64/x
  3. Step 3: Cross multiply
    138,855.47x = 208,125.79 × 58,843.64
  4. Step 4: Simplify right side
    138,855.47x = 12,246,879,434.68
  5. Step 5: Solve for x
    x = 12,246,879,434.68/138,855.47
  6. Step 6: Final answer
    x = 88,198.76

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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.