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Finding the Fourth Proportional to 100,531.17, 150,567 and 47,977.56

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Solution

The fourth proportional to 100,531.17, 150,567 and 47,977.56 is: 71,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,531.17 : 150,567 = 47,977.56 : x
  2. Step 2: Convert to fraction form
    100,531.17/150,567 = 47,977.56/x
  3. Step 3: Cross multiply
    100,531.17x = 150,567 × 47,977.56
  4. Step 4: Simplify right side
    100,531.17x = 7,223,837,276.52
  5. Step 5: Solve for x
    x = 7,223,837,276.52/100,531.17
  6. Step 6: Final answer
    x = 71,856.69

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