Home / 209,849.15-289,577.97-117,982.60

Finding the Fourth Proportional to 209,849.15, 289,577.97 and 117,982.60

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Solution

The fourth proportional to 209,849.15, 289,577.97 and 117,982.60 is: 162,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.15 : 289,577.97 = 117,982.60 : x
  2. Step 2: Convert to fraction form
    209,849.15/289,577.97 = 117,982.60/x
  3. Step 3: Cross multiply
    209,849.15x = 289,577.97 × 117,982.60
  4. Step 4: Simplify right side
    209,849.15x = 34,165,161,079.38
  5. Step 5: Solve for x
    x = 34,165,161,079.38/209,849.15
  6. Step 6: Final answer
    x = 162,808.19

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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.