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Finding the Fourth Proportional to 89,259.40, 133,795.68 and 30,074.62

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Solution

The fourth proportional to 89,259.40, 133,795.68 and 30,074.62 is: 45,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259.40 : 133,795.68 = 30,074.62 : x
  2. Step 2: Convert to fraction form
    89,259.40/133,795.68 = 30,074.62/x
  3. Step 3: Cross multiply
    89,259.40x = 133,795.68 × 30,074.62
  4. Step 4: Simplify right side
    89,259.40x = 4,023,854,233.64
  5. Step 5: Solve for x
    x = 4,023,854,233.64/89,259.40
  6. Step 6: Final answer
    x = 45,080.45

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