Home / 141,205.12-211,745.48-66,346.56

Finding the Fourth Proportional to 141,205.12, 211,745.48 and 66,346.56

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Solution

The fourth proportional to 141,205.12, 211,745.48 and 66,346.56 is: 99,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,205.12 : 211,745.48 = 66,346.56 : x
  2. Step 2: Convert to fraction form
    141,205.12/211,745.48 = 66,346.56/x
  3. Step 3: Cross multiply
    141,205.12x = 211,745.48 × 66,346.56
  4. Step 4: Simplify right side
    141,205.12x = 14,048,584,193.55
  5. Step 5: Solve for x
    x = 14,048,584,193.55/141,205.12
  6. Step 6: Final answer
    x = 99,490.61

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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.