Home / 124,719.21-187,078.82-45,799.29

Finding the Fourth Proportional to 124,719.21, 187,078.82 and 45,799.29

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Solution

The fourth proportional to 124,719.21, 187,078.82 and 45,799.29 is: 68,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,719.21 : 187,078.82 = 45,799.29 : x
  2. Step 2: Convert to fraction form
    124,719.21/187,078.82 = 45,799.29/x
  3. Step 3: Cross multiply
    124,719.21x = 187,078.82 × 45,799.29
  4. Step 4: Simplify right side
    124,719.21x = 8,568,076,901.04
  5. Step 5: Solve for x
    x = 8,568,076,901.04/124,719.21
  6. Step 6: Final answer
    x = 68,698.94

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Similar ratio
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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.