Home / 209,500.42-289,110.04-114,007.09

Finding the Fourth Proportional to 209,500.42, 289,110.04 and 114,007.09

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Solution

The fourth proportional to 209,500.42, 289,110.04 and 114,007.09 is: 157,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,500.42 : 289,110.04 = 114,007.09 : x
  2. Step 2: Convert to fraction form
    209,500.42/289,110.04 = 114,007.09/x
  3. Step 3: Cross multiply
    209,500.42x = 289,110.04 × 114,007.09
  4. Step 4: Simplify right side
    209,500.42x = 32,960,594,350.18
  5. Step 5: Solve for x
    x = 32,960,594,350.18/209,500.42
  6. Step 6: Final answer
    x = 157,329.49

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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.