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Finding the Fourth Proportional to 170,886.60, 256,253.10 and 65,670.60

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Solution

The fourth proportional to 170,886.60, 256,253.10 and 65,670.60 is: 98,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,886.60 : 256,253.10 = 65,670.60 : x
  2. Step 2: Convert to fraction form
    170,886.60/256,253.10 = 65,670.60/x
  3. Step 3: Cross multiply
    170,886.60x = 256,253.10 × 65,670.60
  4. Step 4: Simplify right side
    170,886.60x = 16,828,294,828.86
  5. Step 5: Solve for x
    x = 16,828,294,828.86/170,886.60
  6. Step 6: Final answer
    x = 98,476.39

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