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Finding the Fourth Proportional to 157,266.80, 235,900.20 and 122,231.60

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Solution

The fourth proportional to 157,266.80, 235,900.20 and 122,231.60 is: 183,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,266.80 : 235,900.20 = 122,231.60 : x
  2. Step 2: Convert to fraction form
    157,266.80/235,900.20 = 122,231.60/x
  3. Step 3: Cross multiply
    157,266.80x = 235,900.20 × 122,231.60
  4. Step 4: Simplify right side
    157,266.80x = 28,834,458,886.32
  5. Step 5: Solve for x
    x = 28,834,458,886.32/157,266.80
  6. Step 6: Final answer
    x = 183,347.40

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