Home / 209,285.73-288,812.88-113,792.49

Finding the Fourth Proportional to 209,285.73, 288,812.88 and 113,792.49

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Solution

The fourth proportional to 209,285.73, 288,812.88 and 113,792.49 is: 157,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,285.73 : 288,812.88 = 113,792.49 : x
  2. Step 2: Convert to fraction form
    209,285.73/288,812.88 = 113,792.49/x
  3. Step 3: Cross multiply
    209,285.73x = 288,812.88 × 113,792.49
  4. Step 4: Simplify right side
    209,285.73x = 32,864,736,759.27
  5. Step 5: Solve for x
    x = 32,864,736,759.27/209,285.73
  6. Step 6: Final answer
    x = 157,032.86

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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.