Home / 266,103.42-367,207.05-145,220.37

Finding the Fourth Proportional to 266,103.42, 367,207.05 and 145,220.37

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Solution

The fourth proportional to 266,103.42, 367,207.05 and 145,220.37 is: 200,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,103.42 : 367,207.05 = 145,220.37 : x
  2. Step 2: Convert to fraction form
    266,103.42/367,207.05 = 145,220.37/x
  3. Step 3: Cross multiply
    266,103.42x = 367,207.05 × 145,220.37
  4. Step 4: Simplify right side
    266,103.42x = 53,325,943,667.61
  5. Step 5: Solve for x
    x = 53,325,943,667.61/266,103.42
  6. Step 6: Final answer
    x = 200,395.56

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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.