Home / 227,456.32-313,890.24-126,860.80

Finding the Fourth Proportional to 227,456.32, 313,890.24 and 126,860.80

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Solution

The fourth proportional to 227,456.32, 313,890.24 and 126,860.80 is: 175,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,456.32 : 313,890.24 = 126,860.80 : x
  2. Step 2: Convert to fraction form
    227,456.32/313,890.24 = 126,860.80/x
  3. Step 3: Cross multiply
    227,456.32x = 313,890.24 × 126,860.80
  4. Step 4: Simplify right side
    227,456.32x = 39,820,366,958.59
  5. Step 5: Solve for x
    x = 39,820,366,958.59/227,456.32
  6. Step 6: Final answer
    x = 175,068.19

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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.