Home / 209,442.03-289,021.44-113,948.83

Finding the Fourth Proportional to 209,442.03, 289,021.44 and 113,948.83

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Solution

The fourth proportional to 209,442.03, 289,021.44 and 113,948.83 is: 157,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,442.03 : 289,021.44 = 113,948.83 : x
  2. Step 2: Convert to fraction form
    209,442.03/289,021.44 = 113,948.83/x
  3. Step 3: Cross multiply
    209,442.03x = 289,021.44 × 113,948.83
  4. Step 4: Simplify right side
    209,442.03x = 32,933,654,932.92
  5. Step 5: Solve for x
    x = 32,933,654,932.92/209,442.03
  6. Step 6: Final answer
    x = 157,244.73

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1.5x scale

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.