Home / 180,120.46-270,170.95-91,371.66

Finding the Fourth Proportional to 180,120.46, 270,170.95 and 91,371.66

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Solution

The fourth proportional to 180,120.46, 270,170.95 and 91,371.66 is: 137,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,120.46 : 270,170.95 = 91,371.66 : x
  2. Step 2: Convert to fraction form
    180,120.46/270,170.95 = 91,371.66/x
  3. Step 3: Cross multiply
    180,120.46x = 270,170.95 × 91,371.66
  4. Step 4: Simplify right side
    180,120.46x = 24,685,968,185.28
  5. Step 5: Solve for x
    x = 24,685,968,185.28/180,120.46
  6. Step 6: Final answer
    x = 137,052.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.