Home / 137,604.45-206,382.86-36,403.75

Finding the Fourth Proportional to 137,604.45, 206,382.86 and 36,403.75

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Solution

The fourth proportional to 137,604.45, 206,382.86 and 36,403.75 is: 54,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,604.45 : 206,382.86 = 36,403.75 : x
  2. Step 2: Convert to fraction form
    137,604.45/206,382.86 = 36,403.75/x
  3. Step 3: Cross multiply
    137,604.45x = 206,382.86 × 36,403.75
  4. Step 4: Simplify right side
    137,604.45x = 7,513,110,935.04
  5. Step 5: Solve for x
    x = 7,513,110,935.04/137,604.45
  6. Step 6: Final answer
    x = 54,599.33

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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.