Home / 266,830.04-400,245.06-126,512.12

Finding the Fourth Proportional to 266,830.04, 400,245.06 and 126,512.12

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Solution

The fourth proportional to 266,830.04, 400,245.06 and 126,512.12 is: 189,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,830.04 : 400,245.06 = 126,512.12 : x
  2. Step 2: Convert to fraction form
    266,830.04/400,245.06 = 126,512.12/x
  3. Step 3: Cross multiply
    266,830.04x = 400,245.06 × 126,512.12
  4. Step 4: Simplify right side
    266,830.04x = 50,635,851,060.13
  5. Step 5: Solve for x
    x = 50,635,851,060.13/266,830.04
  6. Step 6: Final answer
    x = 189,768.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.