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Finding the Fourth Proportional to 107,159.70, 147,883.95 and 64,709.76

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Solution

The fourth proportional to 107,159.70, 147,883.95 and 64,709.76 is: 89,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,159.70 : 147,883.95 = 64,709.76 : x
  2. Step 2: Convert to fraction form
    107,159.70/147,883.95 = 64,709.76/x
  3. Step 3: Cross multiply
    107,159.70x = 147,883.95 × 64,709.76
  4. Step 4: Simplify right side
    107,159.70x = 9,569,534,912.35
  5. Step 5: Solve for x
    x = 9,569,534,912.35/107,159.70
  6. Step 6: Final answer
    x = 89,301.62

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