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Finding the Fourth Proportional to 170,762.20, 256,143.30 and 108,707.80

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Solution

The fourth proportional to 170,762.20, 256,143.30 and 108,707.80 is: 163,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,762.20 : 256,143.30 = 108,707.80 : x
  2. Step 2: Convert to fraction form
    170,762.20/256,143.30 = 108,707.80/x
  3. Step 3: Cross multiply
    170,762.20x = 256,143.30 × 108,707.80
  4. Step 4: Simplify right side
    170,762.20x = 27,844,774,627.74
  5. Step 5: Solve for x
    x = 27,844,774,627.74/170,762.20
  6. Step 6: Final answer
    x = 163,061.70

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