Home / 248,715.48-373,145.89-80,232.09

Finding the Fourth Proportional to 248,715.48, 373,145.89 and 80,232.09

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Solution

The fourth proportional to 248,715.48, 373,145.89 and 80,232.09 is: 120,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,715.48 : 373,145.89 = 80,232.09 : x
  2. Step 2: Convert to fraction form
    248,715.48/373,145.89 = 80,232.09/x
  3. Step 3: Cross multiply
    248,715.48x = 373,145.89 × 80,232.09
  4. Step 4: Simplify right side
    248,715.48x = 29,938,273,180.17
  5. Step 5: Solve for x
    x = 29,938,273,180.17/248,715.48
  6. Step 6: Final answer
    x = 120,371.57

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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.