Home / 209,467.64-289,066.66-113,975.04

Finding the Fourth Proportional to 209,467.64, 289,066.66 and 113,975.04

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Solution

The fourth proportional to 209,467.64, 289,066.66 and 113,975.04 is: 157,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,467.64 : 289,066.66 = 113,975.04 : x
  2. Step 2: Convert to fraction form
    209,467.64/289,066.66 = 113,975.04/x
  3. Step 3: Cross multiply
    209,467.64x = 289,066.66 × 113,975.04
  4. Step 4: Simplify right side
    209,467.64x = 32,946,384,136.17
  5. Step 5: Solve for x
    x = 32,946,384,136.17/209,467.64
  6. Step 6: Final answer
    x = 157,286.27

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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.