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Finding the Fourth Proportional to 203,428.24, 280,747.50 and 112,812.58

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Solution

The fourth proportional to 203,428.24, 280,747.50 and 112,812.58 is: 155,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,428.24 : 280,747.50 = 112,812.58 : x
  2. Step 2: Convert to fraction form
    203,428.24/280,747.50 = 112,812.58/x
  3. Step 3: Cross multiply
    203,428.24x = 280,747.50 × 112,812.58
  4. Step 4: Simplify right side
    203,428.24x = 31,671,849,803.55
  5. Step 5: Solve for x
    x = 31,671,849,803.55/203,428.24
  6. Step 6: Final answer
    x = 155,690.53

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