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Finding the Fourth Proportional to 97,422.80, 146,134.20 and 70,854.80

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Solution

The fourth proportional to 97,422.80, 146,134.20 and 70,854.80 is: 106,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,422.80 : 146,134.20 = 70,854.80 : x
  2. Step 2: Convert to fraction form
    97,422.80/146,134.20 = 70,854.80/x
  3. Step 3: Cross multiply
    97,422.80x = 146,134.20 × 70,854.80
  4. Step 4: Simplify right side
    97,422.80x = 10,354,309,514.16
  5. Step 5: Solve for x
    x = 10,354,309,514.16/97,422.80
  6. Step 6: Final answer
    x = 106,282.20

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