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Finding the Fourth Proportional to 100,591.92, 150,885.14 and 46,549.32

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Solution

The fourth proportional to 100,591.92, 150,885.14 and 46,549.32 is: 69,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,591.92 : 150,885.14 = 46,549.32 : x
  2. Step 2: Convert to fraction form
    100,591.92/150,885.14 = 46,549.32/x
  3. Step 3: Cross multiply
    100,591.92x = 150,885.14 × 46,549.32
  4. Step 4: Simplify right side
    100,591.92x = 7,023,600,665.10
  5. Step 5: Solve for x
    x = 7,023,600,665.10/100,591.92
  6. Step 6: Final answer
    x = 69,822.71

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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.