Home / 141,922.48-212,821.88-40,698.20

Finding the Fourth Proportional to 141,922.48, 212,821.88 and 40,698.20

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Solution

The fourth proportional to 141,922.48, 212,821.88 and 40,698.20 is: 61,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,922.48 : 212,821.88 = 40,698.20 : x
  2. Step 2: Convert to fraction form
    141,922.48/212,821.88 = 40,698.20/x
  3. Step 3: Cross multiply
    141,922.48x = 212,821.88 × 40,698.20
  4. Step 4: Simplify right side
    141,922.48x = 8,661,467,436.62
  5. Step 5: Solve for x
    x = 8,661,467,436.62/141,922.48
  6. Step 6: Final answer
    x = 61,029.57

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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.