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Finding the Fourth Proportional to 100,862.28, 151,316.10 and 30,748.68

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Solution

The fourth proportional to 100,862.28, 151,316.10 and 30,748.68 is: 46,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,862.28 : 151,316.10 = 30,748.68 : x
  2. Step 2: Convert to fraction form
    100,862.28/151,316.10 = 30,748.68/x
  3. Step 3: Cross multiply
    100,862.28x = 151,316.10 × 30,748.68
  4. Step 4: Simplify right side
    100,862.28x = 4,652,770,337.75
  5. Step 5: Solve for x
    x = 4,652,770,337.75/100,862.28
  6. Step 6: Final answer
    x = 46,129.93

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