Home / 136,072.08-187,783.32-82,366.80

Finding the Fourth Proportional to 136,072.08, 187,783.32 and 82,366.80

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Solution

The fourth proportional to 136,072.08, 187,783.32 and 82,366.80 is: 113,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,072.08 : 187,783.32 = 82,366.80 : x
  2. Step 2: Convert to fraction form
    136,072.08/187,783.32 = 82,366.80/x
  3. Step 3: Cross multiply
    136,072.08x = 187,783.32 × 82,366.80
  4. Step 4: Simplify right side
    136,072.08x = 15,467,111,161.78
  5. Step 5: Solve for x
    x = 15,467,111,161.78/136,072.08
  6. Step 6: Final answer
    x = 113,668.51

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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.