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Finding the Fourth Proportional to 157,267.20, 235,900.80 and 83,539.20

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Solution

The fourth proportional to 157,267.20, 235,900.80 and 83,539.20 is: 125,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,267.20 : 235,900.80 = 83,539.20 : x
  2. Step 2: Convert to fraction form
    157,267.20/235,900.80 = 83,539.20/x
  3. Step 3: Cross multiply
    157,267.20x = 235,900.80 × 83,539.20
  4. Step 4: Simplify right side
    157,267.20x = 19,706,964,111.36
  5. Step 5: Solve for x
    x = 19,706,964,111.36/157,267.20
  6. Step 6: Final answer
    x = 125,308.80

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