Home / 119,131.80-164,382.39-68,136.32

Finding the Fourth Proportional to 119,131.80, 164,382.39 and 68,136.32

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Solution

The fourth proportional to 119,131.80, 164,382.39 and 68,136.32 is: 94,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,131.80 : 164,382.39 = 68,136.32 : x
  2. Step 2: Convert to fraction form
    119,131.80/164,382.39 = 68,136.32/x
  3. Step 3: Cross multiply
    119,131.80x = 164,382.39 × 68,136.32
  4. Step 4: Simplify right side
    119,131.80x = 11,200,410,305.49
  5. Step 5: Solve for x
    x = 11,200,410,305.49/119,131.80
  6. Step 6: Final answer
    x = 94,016.97

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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.