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Finding the Fourth Proportional to 242,534.80, 363,802.20 and 76,322.80

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Solution

The fourth proportional to 242,534.80, 363,802.20 and 76,322.80 is: 114,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,534.80 : 363,802.20 = 76,322.80 : x
  2. Step 2: Convert to fraction form
    242,534.80/363,802.20 = 76,322.80/x
  3. Step 3: Cross multiply
    242,534.80x = 363,802.20 × 76,322.80
  4. Step 4: Simplify right side
    242,534.80x = 27,766,402,550.16
  5. Step 5: Solve for x
    x = 27,766,402,550.16/242,534.80
  6. Step 6: Final answer
    x = 114,484.20

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