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Finding the Fourth Proportional to 145,572.87, 218,362.01 and 45,731.19

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Solution

The fourth proportional to 145,572.87, 218,362.01 and 45,731.19 is: 68,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,572.87 : 218,362.01 = 45,731.19 : x
  2. Step 2: Convert to fraction form
    145,572.87/218,362.01 = 45,731.19/x
  3. Step 3: Cross multiply
    145,572.87x = 218,362.01 × 45,731.19
  4. Step 4: Simplify right side
    145,572.87x = 9,985,954,339.44
  5. Step 5: Solve for x
    x = 9,985,954,339.44/145,572.87
  6. Step 6: Final answer
    x = 68,597.63

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