Home / 209,475.58-289,074.96-113,982.64

Finding the Fourth Proportional to 209,475.58, 289,074.96 and 113,982.64

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Solution

The fourth proportional to 209,475.58, 289,074.96 and 113,982.64 is: 157,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,475.58 : 289,074.96 = 113,982.64 : x
  2. Step 2: Convert to fraction form
    209,475.58/289,074.96 = 113,982.64/x
  3. Step 3: Cross multiply
    209,475.58x = 289,074.96 × 113,982.64
  4. Step 4: Simplify right side
    209,475.58x = 32,949,527,098.69
  5. Step 5: Solve for x
    x = 32,949,527,098.69/209,475.58
  6. Step 6: Final answer
    x = 157,295.31

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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.