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Finding the Fourth Proportional to 201,803.20, 302,575.20 and 83,521.60

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Solution

The fourth proportional to 201,803.20, 302,575.20 and 83,521.60 is: 125,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,803.20 : 302,575.20 = 83,521.60 : x
  2. Step 2: Convert to fraction form
    201,803.20/302,575.20 = 83,521.60/x
  3. Step 3: Cross multiply
    201,803.20x = 302,575.20 × 83,521.60
  4. Step 4: Simplify right side
    201,803.20x = 25,271,564,824.32
  5. Step 5: Solve for x
    x = 25,271,564,824.32/201,803.20
  6. Step 6: Final answer
    x = 125,228.76

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