Home / 146,131.28-219,266.28-101,221.70

Finding the Fourth Proportional to 146,131.28, 219,266.28 and 101,221.70

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Solution

The fourth proportional to 146,131.28, 219,266.28 and 101,221.70 is: 151,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,131.28 : 219,266.28 = 101,221.70 : x
  2. Step 2: Convert to fraction form
    146,131.28/219,266.28 = 101,221.70/x
  3. Step 3: Cross multiply
    146,131.28x = 219,266.28 × 101,221.70
  4. Step 4: Simplify right side
    146,131.28x = 22,194,505,614.28
  5. Step 5: Solve for x
    x = 22,194,505,614.28/146,131.28
  6. Step 6: Final answer
    x = 151,880.59

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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.