Home / 213,260.98-320,137.50-108,301.38

Finding the Fourth Proportional to 213,260.98, 320,137.50 and 108,301.38

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Solution

The fourth proportional to 213,260.98, 320,137.50 and 108,301.38 is: 162,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,260.98 : 320,137.50 = 108,301.38 : x
  2. Step 2: Convert to fraction form
    213,260.98/320,137.50 = 108,301.38/x
  3. Step 3: Cross multiply
    213,260.98x = 320,137.50 × 108,301.38
  4. Step 4: Simplify right side
    213,260.98x = 34,671,332,993.45
  5. Step 5: Solve for x
    x = 34,671,332,993.45/213,260.98
  6. Step 6: Final answer
    x = 162,577.02

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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.