Home / 239,790.70-330,922.16-137,849.14

Finding the Fourth Proportional to 239,790.70, 330,922.16 and 137,849.14

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Solution

The fourth proportional to 239,790.70, 330,922.16 and 137,849.14 is: 190,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,790.70 : 330,922.16 = 137,849.14 : x
  2. Step 2: Convert to fraction form
    239,790.70/330,922.16 = 137,849.14/x
  3. Step 3: Cross multiply
    239,790.70x = 330,922.16 × 137,849.14
  4. Step 4: Simplify right side
    239,790.70x = 45,617,335,162.94
  5. Step 5: Solve for x
    x = 45,617,335,162.94/239,790.70
  6. Step 6: Final answer
    x = 190,238.13

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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.