Home / 137,418.68-206,117.94-43,899.32

Finding the Fourth Proportional to 137,418.68, 206,117.94 and 43,899.32

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Solution

The fourth proportional to 137,418.68, 206,117.94 and 43,899.32 is: 65,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,418.68 : 206,117.94 = 43,899.32 : x
  2. Step 2: Convert to fraction form
    137,418.68/206,117.94 = 43,899.32/x
  3. Step 3: Cross multiply
    137,418.68x = 206,117.94 × 43,899.32
  4. Step 4: Simplify right side
    137,418.68x = 9,048,437,405.80
  5. Step 5: Solve for x
    x = 9,048,437,405.80/137,418.68
  6. Step 6: Final answer
    x = 65,845.76

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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.