Home / 141,450.57-195,146.10-80,988.66

Finding the Fourth Proportional to 141,450.57, 195,146.10 and 80,988.66

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Solution

The fourth proportional to 141,450.57, 195,146.10 and 80,988.66 is: 111,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,450.57 : 195,146.10 = 80,988.66 : x
  2. Step 2: Convert to fraction form
    141,450.57/195,146.10 = 80,988.66/x
  3. Step 3: Cross multiply
    141,450.57x = 195,146.10 × 80,988.66
  4. Step 4: Simplify right side
    141,450.57x = 15,804,621,143.23
  5. Step 5: Solve for x
    x = 15,804,621,143.23/141,450.57
  6. Step 6: Final answer
    x = 111,732.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.