Home / 123,824.82-170,878.95-67,236.21

Finding the Fourth Proportional to 123,824.82, 170,878.95 and 67,236.21

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Solution

The fourth proportional to 123,824.82, 170,878.95 and 67,236.21 is: 92,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,824.82 : 170,878.95 = 67,236.21 : x
  2. Step 2: Convert to fraction form
    123,824.82/170,878.95 = 67,236.21/x
  3. Step 3: Cross multiply
    123,824.82x = 170,878.95 × 67,236.21
  4. Step 4: Simplify right side
    123,824.82x = 11,489,252,966.78
  5. Step 5: Solve for x
    x = 11,489,252,966.78/123,824.82
  6. Step 6: Final answer
    x = 92,786.35

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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.