Home / 266,022.70-367,112.25-145,166.65

Finding the Fourth Proportional to 266,022.70, 367,112.25 and 145,166.65

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Solution

The fourth proportional to 266,022.70, 367,112.25 and 145,166.65 is: 200,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,022.70 : 367,112.25 = 145,166.65 : x
  2. Step 2: Convert to fraction form
    266,022.70/367,112.25 = 145,166.65/x
  3. Step 3: Cross multiply
    266,022.70x = 367,112.25 × 145,166.65
  4. Step 4: Simplify right side
    266,022.70x = 53,292,454,588.68
  5. Step 5: Solve for x
    x = 53,292,454,588.68/266,022.70
  6. Step 6: Final answer
    x = 200,330.48

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1.5x scale

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.