Home / 141,210.98-211,918.44-81,967.58

Finding the Fourth Proportional to 141,210.98, 211,918.44 and 81,967.58

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Solution

The fourth proportional to 141,210.98, 211,918.44 and 81,967.58 is: 123,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,210.98 : 211,918.44 = 81,967.58 : x
  2. Step 2: Convert to fraction form
    141,210.98/211,918.44 = 81,967.58/x
  3. Step 3: Cross multiply
    141,210.98x = 211,918.44 × 81,967.58
  4. Step 4: Simplify right side
    141,210.98x = 17,370,441,684.18
  5. Step 5: Solve for x
    x = 17,370,441,684.18/141,210.98
  6. Step 6: Final answer
    x = 123,010.56

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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.