Home / 123,984.42-171,098.37-67,396.20

Finding the Fourth Proportional to 123,984.42, 171,098.37 and 67,396.20

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Solution

The fourth proportional to 123,984.42, 171,098.37 and 67,396.20 is: 93,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,984.42 : 171,098.37 = 67,396.20 : x
  2. Step 2: Convert to fraction form
    123,984.42/171,098.37 = 67,396.20/x
  3. Step 3: Cross multiply
    123,984.42x = 171,098.37 × 67,396.20
  4. Step 4: Simplify right side
    123,984.42x = 11,531,379,964.19
  5. Step 5: Solve for x
    x = 11,531,379,964.19/123,984.42
  6. Step 6: Final answer
    x = 93,006.69

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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.