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Finding the Fourth Proportional to 254,172.18, 381,134.75 and 76,646.10

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Solution

The fourth proportional to 254,172.18, 381,134.75 and 76,646.10 is: 114,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,172.18 : 381,134.75 = 76,646.10 : x
  2. Step 2: Convert to fraction form
    254,172.18/381,134.75 = 76,646.10/x
  3. Step 3: Cross multiply
    254,172.18x = 381,134.75 × 76,646.10
  4. Step 4: Simplify right side
    254,172.18x = 29,212,492,161.98
  5. Step 5: Solve for x
    x = 29,212,492,161.98/254,172.18
  6. Step 6: Final answer
    x = 114,931.90

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