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Finding the Fourth Proportional to 253,921.05, 380,931.36 and 93,998.21

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Solution

The fourth proportional to 253,921.05, 380,931.36 and 93,998.21 is: 141,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,921.05 : 380,931.36 = 93,998.21 : x
  2. Step 2: Convert to fraction form
    253,921.05/380,931.36 = 93,998.21/x
  3. Step 3: Cross multiply
    253,921.05x = 380,931.36 × 93,998.21
  4. Step 4: Simplify right side
    253,921.05x = 35,806,866,925.19
  5. Step 5: Solve for x
    x = 35,806,866,925.19/253,921.05
  6. Step 6: Final answer
    x = 141,015.75

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