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Finding the Fourth Proportional to 122,532.90, 183,908.70 and 105,911.70

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Solution

The fourth proportional to 122,532.90, 183,908.70 and 105,911.70 is: 158,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532.90 : 183,908.70 = 105,911.70 : x
  2. Step 2: Convert to fraction form
    122,532.90/183,908.70 = 105,911.70/x
  3. Step 3: Cross multiply
    122,532.90x = 183,908.70 × 105,911.70
  4. Step 4: Simplify right side
    122,532.90x = 19,478,083,061.79
  5. Step 5: Solve for x
    x = 19,478,083,061.79/122,532.90
  6. Step 6: Final answer
    x = 158,962.07

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