Home / 67,198.68-92,729.40-39,973.26

Finding the Fourth Proportional to 67,198.68, 92,729.40 and 39,973.26

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Solution

The fourth proportional to 67,198.68, 92,729.40 and 39,973.26 is: 55,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,198.68 : 92,729.40 = 39,973.26 : x
  2. Step 2: Convert to fraction form
    67,198.68/92,729.40 = 39,973.26/x
  3. Step 3: Cross multiply
    67,198.68x = 92,729.40 × 39,973.26
  4. Step 4: Simplify right side
    67,198.68x = 3,706,696,415.84
  5. Step 5: Solve for x
    x = 3,706,696,415.84/67,198.68
  6. Step 6: Final answer
    x = 55,160.26

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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.