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Finding the Fourth Proportional to 307,671.42, 461,561.30 and 105,219.93

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Solution

The fourth proportional to 307,671.42, 461,561.30 and 105,219.93 is: 157,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,671.42 : 461,561.30 = 105,219.93 : x
  2. Step 2: Convert to fraction form
    307,671.42/461,561.30 = 105,219.93/x
  3. Step 3: Cross multiply
    307,671.42x = 461,561.30 × 105,219.93
  4. Step 4: Simplify right side
    307,671.42x = 48,565,447,676.71
  5. Step 5: Solve for x
    x = 48,565,447,676.71/307,671.42
  6. Step 6: Final answer
    x = 157,848.42

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