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Finding the Fourth Proportional to 107,362.95, 148,174.53 and 64,921.78

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Solution

The fourth proportional to 107,362.95, 148,174.53 and 64,921.78 is: 89,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,362.95 : 148,174.53 = 64,921.78 : x
  2. Step 2: Convert to fraction form
    107,362.95/148,174.53 = 64,921.78/x
  3. Step 3: Cross multiply
    107,362.95x = 148,174.53 × 64,921.78
  4. Step 4: Simplify right side
    107,362.95x = 9,619,754,238.26
  5. Step 5: Solve for x
    x = 9,619,754,238.26/107,362.95
  6. Step 6: Final answer
    x = 89,600.32

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