Home / 227,359.72-313,742.82-125,380.36

Finding the Fourth Proportional to 227,359.72, 313,742.82 and 125,380.36

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Solution

The fourth proportional to 227,359.72, 313,742.82 and 125,380.36 is: 173,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,359.72 : 313,742.82 = 125,380.36 : x
  2. Step 2: Convert to fraction form
    227,359.72/313,742.82 = 125,380.36/x
  3. Step 3: Cross multiply
    227,359.72x = 313,742.82 × 125,380.36
  4. Step 4: Simplify right side
    227,359.72x = 39,337,187,719.02
  5. Step 5: Solve for x
    x = 39,337,187,719.02/227,359.72
  6. Step 6: Final answer
    x = 173,017.40

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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.