Home / 266,031.39-367,131.13-145,180.47

Finding the Fourth Proportional to 266,031.39, 367,131.13 and 145,180.47

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Solution

The fourth proportional to 266,031.39, 367,131.13 and 145,180.47 is: 200,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,031.39 : 367,131.13 = 145,180.47 : x
  2. Step 2: Convert to fraction form
    266,031.39/367,131.13 = 145,180.47/x
  3. Step 3: Cross multiply
    266,031.39x = 367,131.13 × 145,180.47
  4. Step 4: Simplify right side
    266,031.39x = 53,300,270,005.03
  5. Step 5: Solve for x
    x = 53,300,270,005.03/266,031.39
  6. Step 6: Final answer
    x = 200,353.31

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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.