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Finding the Fourth Proportional to 93,931.90, 141,001.53 and 74,336.38

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Solution

The fourth proportional to 93,931.90, 141,001.53 and 74,336.38 is: 111,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,931.90 : 141,001.53 = 74,336.38 : x
  2. Step 2: Convert to fraction form
    93,931.90/141,001.53 = 74,336.38/x
  3. Step 3: Cross multiply
    93,931.90x = 141,001.53 × 74,336.38
  4. Step 4: Simplify right side
    93,931.90x = 10,481,543,314.66
  5. Step 5: Solve for x
    x = 10,481,543,314.66/93,931.90
  6. Step 6: Final answer
    x = 111,586.62

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