Home / 137,839.82-206,604.75-70,181.94

Finding the Fourth Proportional to 137,839.82, 206,604.75 and 70,181.94

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Solution

The fourth proportional to 137,839.82, 206,604.75 and 70,181.94 is: 105,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,839.82 : 206,604.75 = 70,181.94 : x
  2. Step 2: Convert to fraction form
    137,839.82/206,604.75 = 70,181.94/x
  3. Step 3: Cross multiply
    137,839.82x = 206,604.75 × 70,181.94
  4. Step 4: Simplify right side
    137,839.82x = 14,499,922,168.22
  5. Step 5: Solve for x
    x = 14,499,922,168.22/137,839.82
  6. Step 6: Final answer
    x = 105,194.00

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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.