Home / 141,083.80-211,625.70-139,010.20

Finding the Fourth Proportional to 141,083.80, 211,625.70 and 139,010.20

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Solution

The fourth proportional to 141,083.80, 211,625.70 and 139,010.20 is: 208,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,083.80 : 211,625.70 = 139,010.20 : x
  2. Step 2: Convert to fraction form
    141,083.80/211,625.70 = 139,010.20/x
  3. Step 3: Cross multiply
    141,083.80x = 211,625.70 × 139,010.20
  4. Step 4: Simplify right side
    141,083.80x = 29,418,130,882.14
  5. Step 5: Solve for x
    x = 29,418,130,882.14/141,083.80
  6. Step 6: Final answer
    x = 208,515.30

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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.