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Finding the Fourth Proportional to 103,442.28, 142,750.44 and 58,730.28

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Solution

The fourth proportional to 103,442.28, 142,750.44 and 58,730.28 is: 81,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,442.28 : 142,750.44 = 58,730.28 : x
  2. Step 2: Convert to fraction form
    103,442.28/142,750.44 = 58,730.28/x
  3. Step 3: Cross multiply
    103,442.28x = 142,750.44 × 58,730.28
  4. Step 4: Simplify right side
    103,442.28x = 8,383,773,311.32
  5. Step 5: Solve for x
    x = 8,383,773,311.32/103,442.28
  6. Step 6: Final answer
    x = 81,047.84

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