Home / 103,271.49-142,514.26-57,949.37

Finding the Fourth Proportional to 103,271.49, 142,514.26 and 57,949.37

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Solution

The fourth proportional to 103,271.49, 142,514.26 and 57,949.37 is: 79,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.49 : 142,514.26 = 57,949.37 : x
  2. Step 2: Convert to fraction form
    103,271.49/142,514.26 = 57,949.37/x
  3. Step 3: Cross multiply
    103,271.49x = 142,514.26 × 57,949.37
  4. Step 4: Simplify right side
    103,271.49x = 8,258,610,942.88
  5. Step 5: Solve for x
    x = 8,258,610,942.88/103,271.49
  6. Step 6: Final answer
    x = 79,969.90

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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.