Home / 146,679.21-219,784.46-94,045.05

Finding the Fourth Proportional to 146,679.21, 219,784.46 and 94,045.05

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Solution

The fourth proportional to 146,679.21, 219,784.46 and 94,045.05 is: 140,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679.21 : 219,784.46 = 94,045.05 : x
  2. Step 2: Convert to fraction form
    146,679.21/219,784.46 = 94,045.05/x
  3. Step 3: Cross multiply
    146,679.21x = 219,784.46 × 94,045.05
  4. Step 4: Simplify right side
    146,679.21x = 20,669,640,059.70
  5. Step 5: Solve for x
    x = 20,669,640,059.70/146,679.21
  6. Step 6: Final answer
    x = 140,917.31

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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.