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Finding the Fourth Proportional to 123,695.50, 170,700.12 and 67,106.88

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Solution

The fourth proportional to 123,695.50, 170,700.12 and 67,106.88 is: 92,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,695.50 : 170,700.12 = 67,106.88 : x
  2. Step 2: Convert to fraction form
    123,695.50/170,700.12 = 67,106.88/x
  3. Step 3: Cross multiply
    123,695.50x = 170,700.12 × 67,106.88
  4. Step 4: Simplify right side
    123,695.50x = 11,455,151,615.33
  5. Step 5: Solve for x
    x = 11,455,151,615.33/123,695.50
  6. Step 6: Final answer
    x = 92,607.67

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