Home / 239,949.74-331,087.29-137,951.30

Finding the Fourth Proportional to 239,949.74, 331,087.29 and 137,951.30

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Solution

The fourth proportional to 239,949.74, 331,087.29 and 137,951.30 is: 190,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,949.74 : 331,087.29 = 137,951.30 : x
  2. Step 2: Convert to fraction form
    239,949.74/331,087.29 = 137,951.30/x
  3. Step 3: Cross multiply
    239,949.74x = 331,087.29 × 137,951.30
  4. Step 4: Simplify right side
    239,949.74x = 45,673,922,068.98
  5. Step 5: Solve for x
    x = 45,673,922,068.98/239,949.74
  6. Step 6: Final answer
    x = 190,347.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.