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Finding the Fourth Proportional to 103,528.10, 155,292.15 and 92,252.90

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Solution

The fourth proportional to 103,528.10, 155,292.15 and 92,252.90 is: 138,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,528.10 : 155,292.15 = 92,252.90 : x
  2. Step 2: Convert to fraction form
    103,528.10/155,292.15 = 92,252.90/x
  3. Step 3: Cross multiply
    103,528.10x = 155,292.15 × 92,252.90
  4. Step 4: Simplify right side
    103,528.10x = 14,326,151,184.74
  5. Step 5: Solve for x
    x = 14,326,151,184.74/103,528.10
  6. Step 6: Final answer
    x = 138,379.35

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