Home / 209,441.54-289,028.00-113,948.66

Finding the Fourth Proportional to 209,441.54, 289,028.00 and 113,948.66

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Solution

The fourth proportional to 209,441.54, 289,028.00 and 113,948.66 is: 157,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,441.54 : 289,028.00 = 113,948.66 : x
  2. Step 2: Convert to fraction form
    209,441.54/289,028.00 = 113,948.66/x
  3. Step 3: Cross multiply
    209,441.54x = 289,028.00 × 113,948.66
  4. Step 4: Simplify right side
    209,441.54x = 32,934,351,287.60
  5. Step 5: Solve for x
    x = 32,934,351,287.60/209,441.54
  6. Step 6: Final answer
    x = 157,248.42

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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.