Home / 163,420.10-225,495.18-91,786.40

Finding the Fourth Proportional to 163,420.10, 225,495.18 and 91,786.40

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Solution

The fourth proportional to 163,420.10, 225,495.18 and 91,786.40 is: 126,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,420.10 : 225,495.18 = 91,786.40 : x
  2. Step 2: Convert to fraction form
    163,420.10/225,495.18 = 91,786.40/x
  3. Step 3: Cross multiply
    163,420.10x = 225,495.18 × 91,786.40
  4. Step 4: Simplify right side
    163,420.10x = 20,697,390,789.55
  5. Step 5: Solve for x
    x = 20,697,390,789.55/163,420.10
  6. Step 6: Final answer
    x = 126,651.44

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