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Finding the Fourth Proportional to 219,421.95, 302,800.56 and 118,819.95

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Solution

The fourth proportional to 219,421.95, 302,800.56 and 118,819.95 is: 163,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,421.95 : 302,800.56 = 118,819.95 : x
  2. Step 2: Convert to fraction form
    219,421.95/302,800.56 = 118,819.95/x
  3. Step 3: Cross multiply
    219,421.95x = 302,800.56 × 118,819.95
  4. Step 4: Simplify right side
    219,421.95x = 35,978,747,399.17
  5. Step 5: Solve for x
    x = 35,978,747,399.17/219,421.95
  6. Step 6: Final answer
    x = 163,970.59

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