Home / 209,449.08-289,040.94-113,956.43

Finding the Fourth Proportional to 209,449.08, 289,040.94 and 113,956.43

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Solution

The fourth proportional to 209,449.08, 289,040.94 and 113,956.43 is: 157,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,449.08 : 289,040.94 = 113,956.43 : x
  2. Step 2: Convert to fraction form
    209,449.08/289,040.94 = 113,956.43/x
  3. Step 3: Cross multiply
    209,449.08x = 289,040.94 × 113,956.43
  4. Step 4: Simplify right side
    209,449.08x = 32,938,072,201.04
  5. Step 5: Solve for x
    x = 32,938,072,201.04/209,449.08
  6. Step 6: Final answer
    x = 157,260.52

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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.