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Finding the Fourth Proportional to 171,688.68, 257,493.66 and 47,039.40

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Solution

The fourth proportional to 171,688.68, 257,493.66 and 47,039.40 is: 70,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,688.68 : 257,493.66 = 47,039.40 : x
  2. Step 2: Convert to fraction form
    171,688.68/257,493.66 = 47,039.40/x
  3. Step 3: Cross multiply
    171,688.68x = 257,493.66 × 47,039.40
  4. Step 4: Simplify right side
    171,688.68x = 12,112,347,270.20
  5. Step 5: Solve for x
    x = 12,112,347,270.20/171,688.68
  6. Step 6: Final answer
    x = 70,548.32

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