Home / 141,012.81-211,414.02-84,839.75

Finding the Fourth Proportional to 141,012.81, 211,414.02 and 84,839.75

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Solution

The fourth proportional to 141,012.81, 211,414.02 and 84,839.75 is: 127,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,012.81 : 211,414.02 = 84,839.75 : x
  2. Step 2: Convert to fraction form
    141,012.81/211,414.02 = 84,839.75/x
  3. Step 3: Cross multiply
    141,012.81x = 211,414.02 × 84,839.75
  4. Step 4: Simplify right side
    141,012.81x = 17,936,312,603.30
  5. Step 5: Solve for x
    x = 17,936,312,603.30/141,012.81
  6. Step 6: Final answer
    x = 127,196.33

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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.