Home / 144,581.67-199,514.88-80,907.17

Finding the Fourth Proportional to 144,581.67, 199,514.88 and 80,907.17

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Solution

The fourth proportional to 144,581.67, 199,514.88 and 80,907.17 is: 111,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.67 : 199,514.88 = 80,907.17 : x
  2. Step 2: Convert to fraction form
    144,581.67/199,514.88 = 80,907.17/x
  3. Step 3: Cross multiply
    144,581.67x = 199,514.88 × 80,907.17
  4. Step 4: Simplify right side
    144,581.67x = 16,142,183,316.12
  5. Step 5: Solve for x
    x = 16,142,183,316.12/144,581.67
  6. Step 6: Final answer
    x = 111,647.51

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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.