Home / 226,162.56-339,399.36-78,418.56

Finding the Fourth Proportional to 226,162.56, 339,399.36 and 78,418.56

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Solution

The fourth proportional to 226,162.56, 339,399.36 and 78,418.56 is: 117,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,162.56 : 339,399.36 = 78,418.56 : x
  2. Step 2: Convert to fraction form
    226,162.56/339,399.36 = 78,418.56/x
  3. Step 3: Cross multiply
    226,162.56x = 339,399.36 × 78,418.56
  4. Step 4: Simplify right side
    226,162.56x = 26,615,209,076.12
  5. Step 5: Solve for x
    x = 26,615,209,076.12/226,162.56
  6. Step 6: Final answer
    x = 117,681.76

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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.