Home / 266,772.39-400,158.58-109,000.69

Finding the Fourth Proportional to 266,772.39, 400,158.58 and 109,000.69

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Solution

The fourth proportional to 266,772.39, 400,158.58 and 109,000.69 is: 163,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,772.39 : 400,158.58 = 109,000.69 : x
  2. Step 2: Convert to fraction form
    266,772.39/400,158.58 = 109,000.69/x
  3. Step 3: Cross multiply
    266,772.39x = 400,158.58 × 109,000.69
  4. Step 4: Simplify right side
    266,772.39x = 43,617,560,260.90
  5. Step 5: Solve for x
    x = 43,617,560,260.90/266,772.39
  6. Step 6: Final answer
    x = 163,501.03

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1.5x scale

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.