Home / 251,086.66-346,576.39-149,128.72

Finding the Fourth Proportional to 251,086.66, 346,576.39 and 149,128.72

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Solution

The fourth proportional to 251,086.66, 346,576.39 and 149,128.72 is: 205,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,086.66 : 346,576.39 = 149,128.72 : x
  2. Step 2: Convert to fraction form
    251,086.66/346,576.39 = 149,128.72/x
  3. Step 3: Cross multiply
    251,086.66x = 346,576.39 × 149,128.72
  4. Step 4: Simplify right side
    251,086.66x = 51,684,492,183.66
  5. Step 5: Solve for x
    x = 51,684,492,183.66/251,086.66
  6. Step 6: Final answer
    x = 205,843.24

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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.