Home / 171,950.03-258,194.69-145,640.87

Finding the Fourth Proportional to 171,950.03, 258,194.69 and 145,640.87

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Solution

The fourth proportional to 171,950.03, 258,194.69 and 145,640.87 is: 218,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,950.03 : 258,194.69 = 145,640.87 : x
  2. Step 2: Convert to fraction form
    171,950.03/258,194.69 = 145,640.87/x
  3. Step 3: Cross multiply
    171,950.03x = 258,194.69 × 145,640.87
  4. Step 4: Simplify right side
    171,950.03x = 37,603,698,552.78
  5. Step 5: Solve for x
    x = 37,603,698,552.78/171,950.03
  6. Step 6: Final answer
    x = 218,689.69

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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.