Home / 150,388.35-207,537.98-82,403.97

Finding the Fourth Proportional to 150,388.35, 207,537.98 and 82,403.97

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Solution

The fourth proportional to 150,388.35, 207,537.98 and 82,403.97 is: 113,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,388.35 : 207,537.98 = 82,403.97 : x
  2. Step 2: Convert to fraction form
    150,388.35/207,537.98 = 82,403.97/x
  3. Step 3: Cross multiply
    150,388.35x = 207,537.98 × 82,403.97
  4. Step 4: Simplify right side
    150,388.35x = 17,101,953,065.76
  5. Step 5: Solve for x
    x = 17,101,953,065.76/150,388.35
  6. Step 6: Final answer
    x = 113,718.60

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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.