Home / 146,059.16-219,086.45-74,940.75

Finding the Fourth Proportional to 146,059.16, 219,086.45 and 74,940.75

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Solution

The fourth proportional to 146,059.16, 219,086.45 and 74,940.75 is: 112,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,059.16 : 219,086.45 = 74,940.75 : x
  2. Step 2: Convert to fraction form
    146,059.16/219,086.45 = 74,940.75/x
  3. Step 3: Cross multiply
    146,059.16x = 219,086.45 × 74,940.75
  4. Step 4: Simplify right side
    146,059.16x = 16,418,503,205.70
  5. Step 5: Solve for x
    x = 16,418,503,205.70/146,059.16
  6. Step 6: Final answer
    x = 112,409.96

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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.