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Finding the Fourth Proportional to 203,724.74, 305,641.45 and 70,604.88

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Solution

The fourth proportional to 203,724.74, 305,641.45 and 70,604.88 is: 105,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,724.74 : 305,641.45 = 70,604.88 : x
  2. Step 2: Convert to fraction form
    203,724.74/305,641.45 = 70,604.88/x
  3. Step 3: Cross multiply
    203,724.74x = 305,641.45 × 70,604.88
  4. Step 4: Simplify right side
    203,724.74x = 21,579,778,561.61
  5. Step 5: Solve for x
    x = 21,579,778,561.61/203,724.74
  6. Step 6: Final answer
    x = 105,926.16

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