Home / 141,204.98-211,909.44-81,961.58

Finding the Fourth Proportional to 141,204.98, 211,909.44 and 81,961.58

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Solution

The fourth proportional to 141,204.98, 211,909.44 and 81,961.58 is: 123,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,204.98 : 211,909.44 = 81,961.58 : x
  2. Step 2: Convert to fraction form
    141,204.98/211,909.44 = 81,961.58/x
  3. Step 3: Cross multiply
    141,204.98x = 211,909.44 × 81,961.58
  4. Step 4: Simplify right side
    141,204.98x = 17,368,432,519.32
  5. Step 5: Solve for x
    x = 17,368,432,519.32/141,204.98
  6. Step 6: Final answer
    x = 123,001.56

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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.