Home / 266,021.21-367,097.86-145,159.49

Finding the Fourth Proportional to 266,021.21, 367,097.86 and 145,159.49

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Solution

The fourth proportional to 266,021.21, 367,097.86 and 145,159.49 is: 200,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,021.21 : 367,097.86 = 145,159.49 : x
  2. Step 2: Convert to fraction form
    266,021.21/367,097.86 = 145,159.49/x
  3. Step 3: Cross multiply
    266,021.21x = 367,097.86 × 145,159.49
  4. Step 4: Simplify right side
    266,021.21x = 53,287,738,137.69
  5. Step 5: Solve for x
    x = 53,287,738,137.69/266,021.21
  6. Step 6: Final answer
    x = 200,313.87

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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.