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Finding the Fourth Proportional to 100,763.16, 151,164.18 and 56,439.96

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Solution

The fourth proportional to 100,763.16, 151,164.18 and 56,439.96 is: 84,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,763.16 : 151,164.18 = 56,439.96 : x
  2. Step 2: Convert to fraction form
    100,763.16/151,164.18 = 56,439.96/x
  3. Step 3: Cross multiply
    100,763.16x = 151,164.18 × 56,439.96
  4. Step 4: Simplify right side
    100,763.16x = 8,531,700,272.63
  5. Step 5: Solve for x
    x = 8,531,700,272.63/100,763.16
  6. Step 6: Final answer
    x = 84,670.83

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