Home / 146,059.28-219,086.63-74,940.88

Finding the Fourth Proportional to 146,059.28, 219,086.63 and 74,940.88

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Solution

The fourth proportional to 146,059.28, 219,086.63 and 74,940.88 is: 112,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,059.28 : 219,086.63 = 74,940.88 : x
  2. Step 2: Convert to fraction form
    146,059.28/219,086.63 = 74,940.88/x
  3. Step 3: Cross multiply
    146,059.28x = 219,086.63 × 74,940.88
  4. Step 4: Simplify right side
    146,059.28x = 16,418,543,753.00
  5. Step 5: Solve for x
    x = 16,418,543,753.00/146,059.28
  6. Step 6: Final answer
    x = 112,410.14

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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.