Home / 239,836.42-331,106.81-144,366.66

Finding the Fourth Proportional to 239,836.42, 331,106.81 and 144,366.66

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Solution

The fourth proportional to 239,836.42, 331,106.81 and 144,366.66 is: 199,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,836.42 : 331,106.81 = 144,366.66 : x
  2. Step 2: Convert to fraction form
    239,836.42/331,106.81 = 144,366.66/x
  3. Step 3: Cross multiply
    239,836.42x = 331,106.81 × 144,366.66
  4. Step 4: Simplify right side
    239,836.42x = 47,800,784,262.95
  5. Step 5: Solve for x
    x = 47,800,784,262.95/239,836.42
  6. Step 6: Final answer
    x = 199,305.78

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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.