Home / 266,475.12-367,735.56-147,243.12

Finding the Fourth Proportional to 266,475.12, 367,735.56 and 147,243.12

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Solution

The fourth proportional to 266,475.12, 367,735.56 and 147,243.12 is: 203,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,475.12 : 367,735.56 = 147,243.12 : x
  2. Step 2: Convert to fraction form
    266,475.12/367,735.56 = 147,243.12/x
  3. Step 3: Cross multiply
    266,475.12x = 367,735.56 × 147,243.12
  4. Step 4: Simplify right side
    266,475.12x = 54,146,531,189.35
  5. Step 5: Solve for x
    x = 54,146,531,189.35/266,475.12
  6. Step 6: Final answer
    x = 203,195.45

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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.