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Finding the Fourth Proportional to 150,842.82, 208,156.36 and 90,446.80

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Solution

The fourth proportional to 150,842.82, 208,156.36 and 90,446.80 is: 124,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,842.82 : 208,156.36 = 90,446.80 : x
  2. Step 2: Convert to fraction form
    150,842.82/208,156.36 = 90,446.80/x
  3. Step 3: Cross multiply
    150,842.82x = 208,156.36 × 90,446.80
  4. Step 4: Simplify right side
    150,842.82x = 18,827,076,661.65
  5. Step 5: Solve for x
    x = 18,827,076,661.65/150,842.82
  6. Step 6: Final answer
    x = 124,812.55

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