Home / 123,313.06-170,204.94-69,629.50

Finding the Fourth Proportional to 123,313.06, 170,204.94 and 69,629.50

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Solution

The fourth proportional to 123,313.06, 170,204.94 and 69,629.50 is: 96,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,313.06 : 170,204.94 = 69,629.50 : x
  2. Step 2: Convert to fraction form
    123,313.06/170,204.94 = 69,629.50/x
  3. Step 3: Cross multiply
    123,313.06x = 170,204.94 × 69,629.50
  4. Step 4: Simplify right side
    123,313.06x = 11,851,284,869.73
  5. Step 5: Solve for x
    x = 11,851,284,869.73/123,313.06
  6. Step 6: Final answer
    x = 96,107.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.