Home / 123,013.94-169,764.90-68,569.67

Finding the Fourth Proportional to 123,013.94, 169,764.90 and 68,569.67

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Solution

The fourth proportional to 123,013.94, 169,764.90 and 68,569.67 is: 94,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,013.94 : 169,764.90 = 68,569.67 : x
  2. Step 2: Convert to fraction form
    123,013.94/169,764.90 = 68,569.67/x
  3. Step 3: Cross multiply
    123,013.94x = 169,764.90 × 68,569.67
  4. Step 4: Simplify right side
    123,013.94x = 11,640,723,170.58
  5. Step 5: Solve for x
    x = 11,640,723,170.58/123,013.94
  6. Step 6: Final answer
    x = 94,629.30

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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.