Home / 193,821.03-290,830.94-80,053.29

Finding the Fourth Proportional to 193,821.03, 290,830.94 and 80,053.29

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Solution

The fourth proportional to 193,821.03, 290,830.94 and 80,053.29 is: 120,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,821.03 : 290,830.94 = 80,053.29 : x
  2. Step 2: Convert to fraction form
    193,821.03/290,830.94 = 80,053.29/x
  3. Step 3: Cross multiply
    193,821.03x = 290,830.94 × 80,053.29
  4. Step 4: Simplify right side
    193,821.03x = 23,281,973,180.53
  5. Step 5: Solve for x
    x = 23,281,973,180.53/193,821.03
  6. Step 6: Final answer
    x = 120,120.99

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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.