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Finding the Fourth Proportional to 240,513.12, 360,758.88 and 82,742.40

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Solution

The fourth proportional to 240,513.12, 360,758.88 and 82,742.40 is: 124,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,513.12 : 360,758.88 = 82,742.40 : x
  2. Step 2: Convert to fraction form
    240,513.12/360,758.88 = 82,742.40/x
  3. Step 3: Cross multiply
    240,513.12x = 360,758.88 × 82,742.40
  4. Step 4: Simplify right side
    240,513.12x = 29,850,055,552.51
  5. Step 5: Solve for x
    x = 29,850,055,552.51/240,513.12
  6. Step 6: Final answer
    x = 124,109.88

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