Home / 266,785.14-400,178.39-109,013.57

Finding the Fourth Proportional to 266,785.14, 400,178.39 and 109,013.57

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Solution

The fourth proportional to 266,785.14, 400,178.39 and 109,013.57 is: 163,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,785.14 : 400,178.39 = 109,013.57 : x
  2. Step 2: Convert to fraction form
    266,785.14/400,178.39 = 109,013.57/x
  3. Step 3: Cross multiply
    266,785.14x = 400,178.39 × 109,013.57
  4. Step 4: Simplify right side
    266,785.14x = 43,624,872,384.79
  5. Step 5: Solve for x
    x = 43,624,872,384.79/266,785.14
  6. Step 6: Final answer
    x = 163,520.62

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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.