Home / 209,960.73-289,749.83-114,471.45

Finding the Fourth Proportional to 209,960.73, 289,749.83 and 114,471.45

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Solution

The fourth proportional to 209,960.73, 289,749.83 and 114,471.45 is: 157,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960.73 : 289,749.83 = 114,471.45 : x
  2. Step 2: Convert to fraction form
    209,960.73/289,749.83 = 114,471.45/x
  3. Step 3: Cross multiply
    209,960.73x = 289,749.83 × 114,471.45
  4. Step 4: Simplify right side
    209,960.73x = 33,168,082,605.00
  5. Step 5: Solve for x
    x = 33,168,082,605.00/209,960.73
  6. Step 6: Final answer
    x = 157,972.79

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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.