Home / 209,845.11-289,575.39-119,189.10

Finding the Fourth Proportional to 209,845.11, 289,575.39 and 119,189.10

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Solution

The fourth proportional to 209,845.11, 289,575.39 and 119,189.10 is: 164,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,845.11 : 289,575.39 = 119,189.10 : x
  2. Step 2: Convert to fraction form
    209,845.11/289,575.39 = 119,189.10/x
  3. Step 3: Cross multiply
    209,845.11x = 289,575.39 × 119,189.10
  4. Step 4: Simplify right side
    209,845.11x = 34,514,230,116.25
  5. Step 5: Solve for x
    x = 34,514,230,116.25/209,845.11
  6. Step 6: Final answer
    x = 164,474.79

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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.