Home / 266,619.70-367,934.25-145,760.86

Finding the Fourth Proportional to 266,619.70, 367,934.25 and 145,760.86

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Solution

The fourth proportional to 266,619.70, 367,934.25 and 145,760.86 is: 201,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,619.70 : 367,934.25 = 145,760.86 : x
  2. Step 2: Convert to fraction form
    266,619.70/367,934.25 = 145,760.86/x
  3. Step 3: Cross multiply
    266,619.70x = 367,934.25 × 145,760.86
  4. Step 4: Simplify right side
    266,619.70x = 53,630,412,703.46
  5. Step 5: Solve for x
    x = 53,630,412,703.46/266,619.70
  6. Step 6: Final answer
    x = 201,149.48

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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.