Home / 226,195.20-339,076.80-84,002.40

Finding the Fourth Proportional to 226,195.20, 339,076.80 and 84,002.40

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Solution

The fourth proportional to 226,195.20, 339,076.80 and 84,002.40 is: 125,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,195.20 : 339,076.80 = 84,002.40 : x
  2. Step 2: Convert to fraction form
    226,195.20/339,076.80 = 84,002.40/x
  3. Step 3: Cross multiply
    226,195.20x = 339,076.80 × 84,002.40
  4. Step 4: Simplify right side
    226,195.20x = 28,483,264,984.32
  5. Step 5: Solve for x
    x = 28,483,264,984.32/226,195.20
  6. Step 6: Final answer
    x = 125,923.38

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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.