Home / 210,131.72-289,889.78-142,124.68

Finding the Fourth Proportional to 210,131.72, 289,889.78 and 142,124.68

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Solution

The fourth proportional to 210,131.72, 289,889.78 and 142,124.68 is: 196,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,131.72 : 289,889.78 = 142,124.68 : x
  2. Step 2: Convert to fraction form
    210,131.72/289,889.78 = 142,124.68/x
  3. Step 3: Cross multiply
    210,131.72x = 289,889.78 × 142,124.68
  4. Step 4: Simplify right side
    210,131.72x = 41,200,492,217.77
  5. Step 5: Solve for x
    x = 41,200,492,217.77/210,131.72
  6. Step 6: Final answer
    x = 196,069.84

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