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Finding the Fourth Proportional to 100,861.70, 151,292.55 and 34,376.90

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Solution

The fourth proportional to 100,861.70, 151,292.55 and 34,376.90 is: 51,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.70 : 151,292.55 = 34,376.90 : x
  2. Step 2: Convert to fraction form
    100,861.70/151,292.55 = 34,376.90/x
  3. Step 3: Cross multiply
    100,861.70x = 151,292.55 × 34,376.90
  4. Step 4: Simplify right side
    100,861.70x = 5,200,968,862.10
  5. Step 5: Solve for x
    x = 5,200,968,862.10/100,861.70
  6. Step 6: Final answer
    x = 51,565.35

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