Home / 141,020.25-211,520.44-66,156.81

Finding the Fourth Proportional to 141,020.25, 211,520.44 and 66,156.81

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Solution

The fourth proportional to 141,020.25, 211,520.44 and 66,156.81 is: 99,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,020.25 : 211,520.44 = 66,156.81 : x
  2. Step 2: Convert to fraction form
    141,020.25/211,520.44 = 66,156.81/x
  3. Step 3: Cross multiply
    141,020.25x = 211,520.44 × 66,156.81
  4. Step 4: Simplify right side
    141,020.25x = 13,993,517,560.20
  5. Step 5: Solve for x
    x = 13,993,517,560.20/141,020.25
  6. Step 6: Final answer
    x = 99,230.55

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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.