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Finding the Fourth Proportional to 213,027.67, 293,879.11 and 126,938.34

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Solution

The fourth proportional to 213,027.67, 293,879.11 and 126,938.34 is: 175,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,027.67 : 293,879.11 = 126,938.34 : x
  2. Step 2: Convert to fraction form
    213,027.67/293,879.11 = 126,938.34/x
  3. Step 3: Cross multiply
    213,027.67x = 293,879.11 × 126,938.34
  4. Step 4: Simplify right side
    213,027.67x = 37,304,526,661.76
  5. Step 5: Solve for x
    x = 37,304,526,661.76/213,027.67
  6. Step 6: Final answer
    x = 175,115.87

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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.