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Finding the Fourth Proportional to 316,122.80, 474,085.48 and 105,711.60

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Solution

The fourth proportional to 316,122.80, 474,085.48 and 105,711.60 is: 158,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,122.80 : 474,085.48 = 105,711.60 : x
  2. Step 2: Convert to fraction form
    316,122.80/474,085.48 = 105,711.60/x
  3. Step 3: Cross multiply
    316,122.80x = 474,085.48 × 105,711.60
  4. Step 4: Simplify right side
    316,122.80x = 50,116,334,627.57
  5. Step 5: Solve for x
    x = 50,116,334,627.57/316,122.80
  6. Step 6: Final answer
    x = 158,534.39

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