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Finding the Fourth Proportional to 146,850.78, 202,641.48 and 81,441.48

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Solution

The fourth proportional to 146,850.78, 202,641.48 and 81,441.48 is: 112,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,850.78 : 202,641.48 = 81,441.48 : x
  2. Step 2: Convert to fraction form
    146,850.78/202,641.48 = 81,441.48/x
  3. Step 3: Cross multiply
    146,850.78x = 202,641.48 × 81,441.48
  4. Step 4: Simplify right side
    146,850.78x = 16,503,422,040.59
  5. Step 5: Solve for x
    x = 16,503,422,040.59/146,850.78
  6. Step 6: Final answer
    x = 112,382.26

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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.