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Finding the Fourth Proportional to 103,698.90, 155,548.35 and 82,962.90

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Solution

The fourth proportional to 103,698.90, 155,548.35 and 82,962.90 is: 124,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.90 : 155,548.35 = 82,962.90 : x
  2. Step 2: Convert to fraction form
    103,698.90/155,548.35 = 82,962.90/x
  3. Step 3: Cross multiply
    103,698.90x = 155,548.35 × 82,962.90
  4. Step 4: Simplify right side
    103,698.90x = 12,904,742,206.22
  5. Step 5: Solve for x
    x = 12,904,742,206.22/103,698.90
  6. Step 6: Final answer
    x = 124,444.35

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