Home / 141,358.82-195,072.67-77,696.60

Finding the Fourth Proportional to 141,358.82, 195,072.67 and 77,696.60

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Solution

The fourth proportional to 141,358.82, 195,072.67 and 77,696.60 is: 107,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.82 : 195,072.67 = 77,696.60 : x
  2. Step 2: Convert to fraction form
    141,358.82/195,072.67 = 77,696.60/x
  3. Step 3: Cross multiply
    141,358.82x = 195,072.67 × 77,696.60
  4. Step 4: Simplify right side
    141,358.82x = 15,156,483,211.92
  5. Step 5: Solve for x
    x = 15,156,483,211.92/141,358.82
  6. Step 6: Final answer
    x = 107,219.93

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Why These Related Problems?

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