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Finding the Fourth Proportional to 141,813.54, 212,719.69 and 41,974.15

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Solution

The fourth proportional to 141,813.54, 212,719.69 and 41,974.15 is: 62,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,813.54 : 212,719.69 = 41,974.15 : x
  2. Step 2: Convert to fraction form
    141,813.54/212,719.69 = 41,974.15/x
  3. Step 3: Cross multiply
    141,813.54x = 212,719.69 × 41,974.15
  4. Step 4: Simplify right side
    141,813.54x = 8,928,728,176.01
  5. Step 5: Solve for x
    x = 8,928,728,176.01/141,813.54
  6. Step 6: Final answer
    x = 62,961.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.