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Finding the Fourth Proportional to 124,830.60, 186,857.10 and 120,942.60

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Solution

The fourth proportional to 124,830.60, 186,857.10 and 120,942.60 is: 181,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,830.60 : 186,857.10 = 120,942.60 : x
  2. Step 2: Convert to fraction form
    124,830.60/186,857.10 = 120,942.60/x
  3. Step 3: Cross multiply
    124,830.60x = 186,857.10 × 120,942.60
  4. Step 4: Simplify right side
    124,830.60x = 22,598,983,502.46
  5. Step 5: Solve for x
    x = 22,598,983,502.46/124,830.60
  6. Step 6: Final answer
    x = 181,037.21

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