Home / 238,515.56-329,158.88-131,083.64

Finding the Fourth Proportional to 238,515.56, 329,158.88 and 131,083.64

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Solution

The fourth proportional to 238,515.56, 329,158.88 and 131,083.64 is: 180,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,515.56 : 329,158.88 = 131,083.64 : x
  2. Step 2: Convert to fraction form
    238,515.56/329,158.88 = 131,083.64/x
  3. Step 3: Cross multiply
    238,515.56x = 329,158.88 × 131,083.64
  4. Step 4: Simplify right side
    238,515.56x = 43,147,344,128.72
  5. Step 5: Solve for x
    x = 43,147,344,128.72/238,515.56
  6. Step 6: Final answer
    x = 180,899.49

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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.