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Finding the Fourth Proportional to 103,574.70, 155,447.10 and 53,670.06

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Solution

The fourth proportional to 103,574.70, 155,447.10 and 53,670.06 is: 80,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,574.70 : 155,447.10 = 53,670.06 : x
  2. Step 2: Convert to fraction form
    103,574.70/155,447.10 = 53,670.06/x
  3. Step 3: Cross multiply
    103,574.70x = 155,447.10 × 53,670.06
  4. Step 4: Simplify right side
    103,574.70x = 8,342,855,183.83
  5. Step 5: Solve for x
    x = 8,342,855,183.83/103,574.70
  6. Step 6: Final answer
    x = 80,549.16

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