Home / 141,208.98-211,915.44-81,965.58

Finding the Fourth Proportional to 141,208.98, 211,915.44 and 81,965.58

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Solution

The fourth proportional to 141,208.98, 211,915.44 and 81,965.58 is: 123,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,208.98 : 211,915.44 = 81,965.58 : x
  2. Step 2: Convert to fraction form
    141,208.98/211,915.44 = 81,965.58/x
  3. Step 3: Cross multiply
    141,208.98x = 211,915.44 × 81,965.58
  4. Step 4: Simplify right side
    141,208.98x = 17,369,771,950.56
  5. Step 5: Solve for x
    x = 17,369,771,950.56/141,208.98
  6. Step 6: Final answer
    x = 123,007.56

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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.