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Finding the Fourth Proportional to 100,762.40, 150,924.90 and 83,266.40

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Solution

The fourth proportional to 100,762.40, 150,924.90 and 83,266.40 is: 124,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,762.40 : 150,924.90 = 83,266.40 : x
  2. Step 2: Convert to fraction form
    100,762.40/150,924.90 = 83,266.40/x
  3. Step 3: Cross multiply
    100,762.40x = 150,924.90 × 83,266.40
  4. Step 4: Simplify right side
    100,762.40x = 12,566,973,093.36
  5. Step 5: Solve for x
    x = 12,566,973,093.36/100,762.40
  6. Step 6: Final answer
    x = 124,718.87

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