Home / 238,504.10-329,144.31-131,082.30

Finding the Fourth Proportional to 238,504.10, 329,144.31 and 131,082.30

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Solution

The fourth proportional to 238,504.10, 329,144.31 and 131,082.30 is: 180,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.10 : 329,144.31 = 131,082.30 : x
  2. Step 2: Convert to fraction form
    238,504.10/329,144.31 = 131,082.30/x
  3. Step 3: Cross multiply
    238,504.10x = 329,144.31 × 131,082.30
  4. Step 4: Simplify right side
    238,504.10x = 43,144,993,186.71
  5. Step 5: Solve for x
    x = 43,144,993,186.71/238,504.10
  6. Step 6: Final answer
    x = 180,898.33

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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.