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Finding the Fourth Proportional to 185,981.22, 256,648.68 and 105,416.16

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Solution

The fourth proportional to 185,981.22, 256,648.68 and 105,416.16 is: 145,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,981.22 : 256,648.68 = 105,416.16 : x
  2. Step 2: Convert to fraction form
    185,981.22/256,648.68 = 105,416.16/x
  3. Step 3: Cross multiply
    185,981.22x = 256,648.68 × 105,416.16
  4. Step 4: Simplify right side
    185,981.22x = 27,054,918,314.67
  5. Step 5: Solve for x
    x = 27,054,918,314.67/185,981.22
  6. Step 6: Final answer
    x = 145,471.24

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