Home / 238,506.10-329,147.08-131,084.30

Finding the Fourth Proportional to 238,506.10, 329,147.08 and 131,084.30

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Solution

The fourth proportional to 238,506.10, 329,147.08 and 131,084.30 is: 180,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,506.10 : 329,147.08 = 131,084.30 : x
  2. Step 2: Convert to fraction form
    238,506.10/329,147.08 = 131,084.30/x
  3. Step 3: Cross multiply
    238,506.10x = 329,147.08 × 131,084.30
  4. Step 4: Simplify right side
    238,506.10x = 43,146,014,578.84
  5. Step 5: Solve for x
    x = 43,146,014,578.84/238,506.10
  6. Step 6: Final answer
    x = 180,901.09

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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.