Home / 180,963.41-271,382.13-74,317.05

Finding the Fourth Proportional to 180,963.41, 271,382.13 and 74,317.05

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Solution

The fourth proportional to 180,963.41, 271,382.13 and 74,317.05 is: 111,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,963.41 : 271,382.13 = 74,317.05 : x
  2. Step 2: Convert to fraction form
    180,963.41/271,382.13 = 74,317.05/x
  3. Step 3: Cross multiply
    180,963.41x = 271,382.13 × 74,317.05
  4. Step 4: Simplify right side
    180,963.41x = 20,168,319,324.32
  5. Step 5: Solve for x
    x = 20,168,319,324.32/180,963.41
  6. Step 6: Final answer
    x = 111,449.71

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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.