Home / 227,145.32-313,467.01-126,549.80

Finding the Fourth Proportional to 227,145.32, 313,467.01 and 126,549.80

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Solution

The fourth proportional to 227,145.32, 313,467.01 and 126,549.80 is: 174,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,145.32 : 313,467.01 = 126,549.80 : x
  2. Step 2: Convert to fraction form
    227,145.32/313,467.01 = 126,549.80/x
  3. Step 3: Cross multiply
    227,145.32x = 313,467.01 × 126,549.80
  4. Step 4: Simplify right side
    227,145.32x = 39,669,185,854.76
  5. Step 5: Solve for x
    x = 39,669,185,854.76/227,145.32
  6. Step 6: Final answer
    x = 174,642.32

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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.