Home / 266,186.75-367,338.95-145,330.80

Finding the Fourth Proportional to 266,186.75, 367,338.95 and 145,330.80

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Solution

The fourth proportional to 266,186.75, 367,338.95 and 145,330.80 is: 200,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,186.75 : 367,338.95 = 145,330.80 : x
  2. Step 2: Convert to fraction form
    266,186.75/367,338.95 = 145,330.80/x
  3. Step 3: Cross multiply
    266,186.75x = 367,338.95 × 145,330.80
  4. Step 4: Simplify right side
    266,186.75x = 53,385,662,919.64
  5. Step 5: Solve for x
    x = 53,385,662,919.64/266,186.75
  6. Step 6: Final answer
    x = 200,557.18

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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.