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Finding the Fourth Proportional to 87,118.54, 130,678.72 and 34,528.48

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Solution

The fourth proportional to 87,118.54, 130,678.72 and 34,528.48 is: 51,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,118.54 : 130,678.72 = 34,528.48 : x
  2. Step 2: Convert to fraction form
    87,118.54/130,678.72 = 34,528.48/x
  3. Step 3: Cross multiply
    87,118.54x = 130,678.72 × 34,528.48
  4. Step 4: Simplify right side
    87,118.54x = 4,512,137,156.93
  5. Step 5: Solve for x
    x = 4,512,137,156.93/87,118.54
  6. Step 6: Final answer
    x = 51,793.08

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