Home / 227,132.72-313,449.63-126,537.20

Finding the Fourth Proportional to 227,132.72, 313,449.63 and 126,537.20

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Solution

The fourth proportional to 227,132.72, 313,449.63 and 126,537.20 is: 174,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,132.72 : 313,449.63 = 126,537.20 : x
  2. Step 2: Convert to fraction form
    227,132.72/313,449.63 = 126,537.20/x
  3. Step 3: Cross multiply
    227,132.72x = 313,449.63 × 126,537.20
  4. Step 4: Simplify right side
    227,132.72x = 39,663,038,366.68
  5. Step 5: Solve for x
    x = 39,663,038,366.68/227,132.72
  6. Step 6: Final answer
    x = 174,624.94

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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.