Home / 141,860.20-212,821.44-42,028.21

Finding the Fourth Proportional to 141,860.20, 212,821.44 and 42,028.21

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Solution

The fourth proportional to 141,860.20, 212,821.44 and 42,028.21 is: 63,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.20 : 212,821.44 = 42,028.21 : x
  2. Step 2: Convert to fraction form
    141,860.20/212,821.44 = 42,028.21/x
  3. Step 3: Cross multiply
    141,860.20x = 212,821.44 × 42,028.21
  4. Step 4: Simplify right side
    141,860.20x = 8,944,504,172.82
  5. Step 5: Solve for x
    x = 8,944,504,172.82/141,860.20
  6. Step 6: Final answer
    x = 63,051.54

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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.