Home / 141,142.00-211,436.19-81,853.10

Finding the Fourth Proportional to 141,142.00, 211,436.19 and 81,853.10

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Solution

The fourth proportional to 141,142.00, 211,436.19 and 81,853.10 is: 122,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,142.00 : 211,436.19 = 81,853.10 : x
  2. Step 2: Convert to fraction form
    141,142.00/211,436.19 = 81,853.10/x
  3. Step 3: Cross multiply
    141,142.00x = 211,436.19 × 81,853.10
  4. Step 4: Simplify right side
    141,142.00x = 17,306,707,603.69
  5. Step 5: Solve for x
    x = 17,306,707,603.69/141,142.00
  6. Step 6: Final answer
    x = 122,619.12

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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.