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Finding the Fourth Proportional to 100,082.91, 150,039.59 and 43,880.43

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Solution

The fourth proportional to 100,082.91, 150,039.59 and 43,880.43 is: 65,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,082.91 : 150,039.59 = 43,880.43 : x
  2. Step 2: Convert to fraction form
    100,082.91/150,039.59 = 43,880.43/x
  3. Step 3: Cross multiply
    100,082.91x = 150,039.59 × 43,880.43
  4. Step 4: Simplify right side
    100,082.91x = 6,583,801,506.82
  5. Step 5: Solve for x
    x = 6,583,801,506.82/100,082.91
  6. Step 6: Final answer
    x = 65,783.47

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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.