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Finding the Fourth Proportional to 210,468.03, 315,840.44 and 77,349.43

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Solution

The fourth proportional to 210,468.03, 315,840.44 and 77,349.43 is: 116,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,468.03 : 315,840.44 = 77,349.43 : x
  2. Step 2: Convert to fraction form
    210,468.03/315,840.44 = 77,349.43/x
  3. Step 3: Cross multiply
    210,468.03x = 315,840.44 × 77,349.43
  4. Step 4: Simplify right side
    210,468.03x = 24,430,078,004.95
  5. Step 5: Solve for x
    x = 24,430,078,004.95/210,468.03
  6. Step 6: Final answer
    x = 116,075.01

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