Home / 102,745.26-154,132.38-31,673.67

Finding the Fourth Proportional to 102,745.26, 154,132.38 and 31,673.67

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Solution

The fourth proportional to 102,745.26, 154,132.38 and 31,673.67 is: 47,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,745.26 : 154,132.38 = 31,673.67 : x
  2. Step 2: Convert to fraction form
    102,745.26/154,132.38 = 31,673.67/x
  3. Step 3: Cross multiply
    102,745.26x = 154,132.38 × 31,673.67
  4. Step 4: Simplify right side
    102,745.26x = 4,881,938,140.43
  5. Step 5: Solve for x
    x = 4,881,938,140.43/102,745.26
  6. Step 6: Final answer
    x = 47,514.97

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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.