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Finding the Fourth Proportional to 191,203.84, 263,867.69 and 105,166.45

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Solution

The fourth proportional to 191,203.84, 263,867.69 and 105,166.45 is: 145,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,203.84 : 263,867.69 = 105,166.45 : x
  2. Step 2: Convert to fraction form
    191,203.84/263,867.69 = 105,166.45/x
  3. Step 3: Cross multiply
    191,203.84x = 263,867.69 × 105,166.45
  4. Step 4: Simplify right side
    191,203.84x = 27,750,026,381.83
  5. Step 5: Solve for x
    x = 27,750,026,381.83/191,203.84
  6. Step 6: Final answer
    x = 145,133.21

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