Home / 137,284.36-205,997.16-103,993.36

Finding the Fourth Proportional to 137,284.36, 205,997.16 and 103,993.36

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Solution

The fourth proportional to 137,284.36, 205,997.16 and 103,993.36 is: 156,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,284.36 : 205,997.16 = 103,993.36 : x
  2. Step 2: Convert to fraction form
    137,284.36/205,997.16 = 103,993.36/x
  3. Step 3: Cross multiply
    137,284.36x = 205,997.16 × 103,993.36
  4. Step 4: Simplify right side
    137,284.36x = 21,422,336,818.86
  5. Step 5: Solve for x
    x = 21,422,336,818.86/137,284.36
  6. Step 6: Final answer
    x = 156,043.53

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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.