Home / 141,243.09-211,684.46-66,197.67

Finding the Fourth Proportional to 141,243.09, 211,684.46 and 66,197.67

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Solution

The fourth proportional to 141,243.09, 211,684.46 and 66,197.67 is: 99,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,243.09 : 211,684.46 = 66,197.67 : x
  2. Step 2: Convert to fraction form
    141,243.09/211,684.46 = 66,197.67/x
  3. Step 3: Cross multiply
    141,243.09x = 211,684.46 × 66,197.67
  4. Step 4: Simplify right side
    141,243.09x = 14,013,017,696.22
  5. Step 5: Solve for x
    x = 14,013,017,696.22/141,243.09
  6. Step 6: Final answer
    x = 99,212.06

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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.