Home / 272,136.72-375,553.14-149,634.24

Finding the Fourth Proportional to 272,136.72, 375,553.14 and 149,634.24

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Solution

The fourth proportional to 272,136.72, 375,553.14 and 149,634.24 is: 206,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,136.72 : 375,553.14 = 149,634.24 : x
  2. Step 2: Convert to fraction form
    272,136.72/375,553.14 = 149,634.24/x
  3. Step 3: Cross multiply
    272,136.72x = 375,553.14 × 149,634.24
  4. Step 4: Simplify right side
    272,136.72x = 56,195,608,683.51
  5. Step 5: Solve for x
    x = 56,195,608,683.51/272,136.72
  6. Step 6: Final answer
    x = 206,497.71

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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.