Home / 161,609.03-242,083.07-131,729.75

Finding the Fourth Proportional to 161,609.03, 242,083.07 and 131,729.75

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Solution

The fourth proportional to 161,609.03, 242,083.07 and 131,729.75 is: 197,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,609.03 : 242,083.07 = 131,729.75 : x
  2. Step 2: Convert to fraction form
    161,609.03/242,083.07 = 131,729.75/x
  3. Step 3: Cross multiply
    161,609.03x = 242,083.07 × 131,729.75
  4. Step 4: Simplify right side
    161,609.03x = 31,889,541,631.68
  5. Step 5: Solve for x
    x = 31,889,541,631.68/161,609.03
  6. Step 6: Final answer
    x = 197,325.25

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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.