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Finding the Fourth Proportional to 210,503.37, 315,833.64 and 126,323.91

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Solution

The fourth proportional to 210,503.37, 315,833.64 and 126,323.91 is: 189,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,503.37 : 315,833.64 = 126,323.91 : x
  2. Step 2: Convert to fraction form
    210,503.37/315,833.64 = 126,323.91/x
  3. Step 3: Cross multiply
    210,503.37x = 315,833.64 × 126,323.91
  4. Step 4: Simplify right side
    210,503.37x = 39,897,340,314.33
  5. Step 5: Solve for x
    x = 39,897,340,314.33/210,503.37
  6. Step 6: Final answer
    x = 189,533.02

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