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Finding the Fourth Proportional to 88,328.40, 132,298.20 and 53,206.80

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Solution

The fourth proportional to 88,328.40, 132,298.20 and 53,206.80 is: 79,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,328.40 : 132,298.20 = 53,206.80 : x
  2. Step 2: Convert to fraction form
    88,328.40/132,298.20 = 53,206.80/x
  3. Step 3: Cross multiply
    88,328.40x = 132,298.20 × 53,206.80
  4. Step 4: Simplify right side
    88,328.40x = 7,039,163,867.76
  5. Step 5: Solve for x
    x = 7,039,163,867.76/88,328.40
  6. Step 6: Final answer
    x = 79,693.10

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