Home / 266,189.20-367,344.66-145,329.10

Finding the Fourth Proportional to 266,189.20, 367,344.66 and 145,329.10

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Solution

The fourth proportional to 266,189.20, 367,344.66 and 145,329.10 is: 200,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,189.20 : 367,344.66 = 145,329.10 : x
  2. Step 2: Convert to fraction form
    266,189.20/367,344.66 = 145,329.10/x
  3. Step 3: Cross multiply
    266,189.20x = 367,344.66 × 145,329.10
  4. Step 4: Simplify right side
    266,189.20x = 53,385,868,827.61
  5. Step 5: Solve for x
    x = 53,385,868,827.61/266,189.20
  6. Step 6: Final answer
    x = 200,556.10

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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.