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Finding the Fourth Proportional to 168,117.71, 252,127.35 and 138,461.99

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Solution

The fourth proportional to 168,117.71, 252,127.35 and 138,461.99 is: 207,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,117.71 : 252,127.35 = 138,461.99 : x
  2. Step 2: Convert to fraction form
    168,117.71/252,127.35 = 138,461.99/x
  3. Step 3: Cross multiply
    168,117.71x = 252,127.35 × 138,461.99
  4. Step 4: Simplify right side
    168,117.71x = 34,910,053,353.79
  5. Step 5: Solve for x
    x = 34,910,053,353.79/168,117.71
  6. Step 6: Final answer
    x = 207,652.45

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