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Finding the Fourth Proportional to 256,489.74, 353,944.89 and 141,762.51

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Solution

The fourth proportional to 256,489.74, 353,944.89 and 141,762.51 is: 195,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,489.74 : 353,944.89 = 141,762.51 : x
  2. Step 2: Convert to fraction form
    256,489.74/353,944.89 = 141,762.51/x
  3. Step 3: Cross multiply
    256,489.74x = 353,944.89 × 141,762.51
  4. Step 4: Simplify right side
    256,489.74x = 50,176,116,008.07
  5. Step 5: Solve for x
    x = 50,176,116,008.07/256,489.74
  6. Step 6: Final answer
    x = 195,626.21

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