Home / 200,050.20-299,672.10-124,939.80

Finding the Fourth Proportional to 200,050.20, 299,672.10 and 124,939.80

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Solution

The fourth proportional to 200,050.20, 299,672.10 and 124,939.80 is: 187,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,050.20 : 299,672.10 = 124,939.80 : x
  2. Step 2: Convert to fraction form
    200,050.20/299,672.10 = 124,939.80/x
  3. Step 3: Cross multiply
    200,050.20x = 299,672.10 × 124,939.80
  4. Step 4: Simplify right side
    200,050.20x = 37,440,972,239.58
  5. Step 5: Solve for x
    x = 37,440,972,239.58/200,050.20
  6. Step 6: Final answer
    x = 187,157.88

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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.