Home / 103,813.54-155,151.41-75,792.60

Finding the Fourth Proportional to 103,813.54, 155,151.41 and 75,792.60

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Solution

The fourth proportional to 103,813.54, 155,151.41 and 75,792.60 is: 113,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,813.54 : 155,151.41 = 75,792.60 : x
  2. Step 2: Convert to fraction form
    103,813.54/155,151.41 = 75,792.60/x
  3. Step 3: Cross multiply
    103,813.54x = 155,151.41 × 75,792.60
  4. Step 4: Simplify right side
    103,813.54x = 11,759,328,757.57
  5. Step 5: Solve for x
    x = 11,759,328,757.57/103,813.54
  6. Step 6: Final answer
    x = 113,273.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.