Home / 226,001.72-311,861.06-135,356.04

Finding the Fourth Proportional to 226,001.72, 311,861.06 and 135,356.04

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Solution

The fourth proportional to 226,001.72, 311,861.06 and 135,356.04 is: 186,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,001.72 : 311,861.06 = 135,356.04 : x
  2. Step 2: Convert to fraction form
    226,001.72/311,861.06 = 135,356.04/x
  3. Step 3: Cross multiply
    226,001.72x = 311,861.06 × 135,356.04
  4. Step 4: Simplify right side
    226,001.72x = 42,212,278,111.80
  5. Step 5: Solve for x
    x = 42,212,278,111.80/226,001.72
  6. Step 6: Final answer
    x = 186,778.57

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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.