Home / 198,080.84-296,614.10-109,235.79

Finding the Fourth Proportional to 198,080.84, 296,614.10 and 109,235.79

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Solution

The fourth proportional to 198,080.84, 296,614.10 and 109,235.79 is: 163,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,080.84 : 296,614.10 = 109,235.79 : x
  2. Step 2: Convert to fraction form
    198,080.84/296,614.10 = 109,235.79/x
  3. Step 3: Cross multiply
    198,080.84x = 296,614.10 × 109,235.79
  4. Step 4: Simplify right side
    198,080.84x = 32,400,875,811.73
  5. Step 5: Solve for x
    x = 32,400,875,811.73/198,080.84
  6. Step 6: Final answer
    x = 163,574.00

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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.