Home / 123,984.92-171,099.06-67,396.70

Finding the Fourth Proportional to 123,984.92, 171,099.06 and 67,396.70

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Solution

The fourth proportional to 123,984.92, 171,099.06 and 67,396.70 is: 93,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,984.92 : 171,099.06 = 67,396.70 : x
  2. Step 2: Convert to fraction form
    123,984.92/171,099.06 = 67,396.70/x
  3. Step 3: Cross multiply
    123,984.92x = 171,099.06 × 67,396.70
  4. Step 4: Simplify right side
    123,984.92x = 11,531,512,017.10
  5. Step 5: Solve for x
    x = 11,531,512,017.10/123,984.92
  6. Step 6: Final answer
    x = 93,007.38

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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.