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Finding the Fourth Proportional to 144,641.30, 199,703.61 and 90,214.63

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Solution

The fourth proportional to 144,641.30, 199,703.61 and 90,214.63 is: 124,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,641.30 : 199,703.61 = 90,214.63 : x
  2. Step 2: Convert to fraction form
    144,641.30/199,703.61 = 90,214.63/x
  3. Step 3: Cross multiply
    144,641.30x = 199,703.61 × 90,214.63
  4. Step 4: Simplify right side
    144,641.30x = 18,016,186,786.56
  5. Step 5: Solve for x
    x = 18,016,186,786.56/144,641.30
  6. Step 6: Final answer
    x = 124,557.70

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