Home / 123,166.06-169,984.30-69,450

Finding the Fourth Proportional to 123,166.06, 169,984.30 and 69,450

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Solution

The fourth proportional to 123,166.06, 169,984.30 and 69,450 is: 95,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,166.06 : 169,984.30 = 69,450 : x
  2. Step 2: Convert to fraction form
    123,166.06/169,984.30 = 69,450/x
  3. Step 3: Cross multiply
    123,166.06x = 169,984.30 × 69,450
  4. Step 4: Simplify right side
    123,166.06x = 11,805,409,635
  5. Step 5: Solve for x
    x = 11,805,409,635/123,166.06
  6. Step 6: Final answer
    x = 95,849.54

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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.