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Finding the Fourth Proportional to 88,239.40, 132,164.70 and 53,117.80

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Solution

The fourth proportional to 88,239.40, 132,164.70 and 53,117.80 is: 79,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.40 : 132,164.70 = 53,117.80 : x
  2. Step 2: Convert to fraction form
    88,239.40/132,164.70 = 53,117.80/x
  3. Step 3: Cross multiply
    88,239.40x = 132,164.70 × 53,117.80
  4. Step 4: Simplify right side
    88,239.40x = 7,020,298,101.66
  5. Step 5: Solve for x
    x = 7,020,298,101.66/88,239.40
  6. Step 6: Final answer
    x = 79,559.68

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