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Finding the Fourth Proportional to 162,038.80, 243,025.80 and 77,798.80

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Solution

The fourth proportional to 162,038.80, 243,025.80 and 77,798.80 is: 116,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,038.80 : 243,025.80 = 77,798.80 : x
  2. Step 2: Convert to fraction form
    162,038.80/243,025.80 = 77,798.80/x
  3. Step 3: Cross multiply
    162,038.80x = 243,025.80 × 77,798.80
  4. Step 4: Simplify right side
    162,038.80x = 18,907,115,609.04
  5. Step 5: Solve for x
    x = 18,907,115,609.04/162,038.80
  6. Step 6: Final answer
    x = 116,682.64

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