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Finding the Fourth Proportional to 171,630.89, 257,463.61 and 45,279.86

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Solution

The fourth proportional to 171,630.89, 257,463.61 and 45,279.86 is: 67,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630.89 : 257,463.61 = 45,279.86 : x
  2. Step 2: Convert to fraction form
    171,630.89/257,463.61 = 45,279.86/x
  3. Step 3: Cross multiply
    171,630.89x = 257,463.61 × 45,279.86
  4. Step 4: Simplify right side
    171,630.89x = 11,657,916,746.35
  5. Step 5: Solve for x
    x = 11,657,916,746.35/171,630.89
  6. Step 6: Final answer
    x = 67,924.35

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