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Finding the Fourth Proportional to 124,415.40, 186,623.10 and 93,311.40

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Solution

The fourth proportional to 124,415.40, 186,623.10 and 93,311.40 is: 139,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415.40 : 186,623.10 = 93,311.40 : x
  2. Step 2: Convert to fraction form
    124,415.40/186,623.10 = 93,311.40/x
  3. Step 3: Cross multiply
    124,415.40x = 186,623.10 × 93,311.40
  4. Step 4: Simplify right side
    124,415.40x = 17,414,062,733.34
  5. Step 5: Solve for x
    x = 17,414,062,733.34/124,415.40
  6. Step 6: Final answer
    x = 139,967.10

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