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Finding the Fourth Proportional to 135,457.02, 186,932.70 and 78,095.34

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Solution

The fourth proportional to 135,457.02, 186,932.70 and 78,095.34 is: 107,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,457.02 : 186,932.70 = 78,095.34 : x
  2. Step 2: Convert to fraction form
    135,457.02/186,932.70 = 78,095.34/x
  3. Step 3: Cross multiply
    135,457.02x = 186,932.70 × 78,095.34
  4. Step 4: Simplify right side
    135,457.02x = 14,598,572,763.62
  5. Step 5: Solve for x
    x = 14,598,572,763.62/135,457.02
  6. Step 6: Final answer
    x = 107,772.73

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