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Finding the Fourth Proportional to 170,890.10, 256,258.35 and 65,674.10

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Solution

The fourth proportional to 170,890.10, 256,258.35 and 65,674.10 is: 98,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,890.10 : 256,258.35 = 65,674.10 : x
  2. Step 2: Convert to fraction form
    170,890.10/256,258.35 = 65,674.10/x
  3. Step 3: Cross multiply
    170,890.10x = 256,258.35 × 65,674.10
  4. Step 4: Simplify right side
    170,890.10x = 16,829,536,503.74
  5. Step 5: Solve for x
    x = 16,829,536,503.74/170,890.10
  6. Step 6: Final answer
    x = 98,481.64

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