Home / 199,623.40-299,435.10-125,216.80

Finding the Fourth Proportional to 199,623.40, 299,435.10 and 125,216.80

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Solution

The fourth proportional to 199,623.40, 299,435.10 and 125,216.80 is: 187,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,623.40 : 299,435.10 = 125,216.80 : x
  2. Step 2: Convert to fraction form
    199,623.40/299,435.10 = 125,216.80/x
  3. Step 3: Cross multiply
    199,623.40x = 299,435.10 × 125,216.80
  4. Step 4: Simplify right side
    199,623.40x = 37,494,305,029.68
  5. Step 5: Solve for x
    x = 37,494,305,029.68/199,623.40
  6. Step 6: Final answer
    x = 187,825.20

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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.