Home / 141,369.44-195,088.68-77,706.56

Finding the Fourth Proportional to 141,369.44, 195,088.68 and 77,706.56

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Solution

The fourth proportional to 141,369.44, 195,088.68 and 77,706.56 is: 107,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,369.44 : 195,088.68 = 77,706.56 : x
  2. Step 2: Convert to fraction form
    141,369.44/195,088.68 = 77,706.56/x
  3. Step 3: Cross multiply
    141,369.44x = 195,088.68 × 77,706.56
  4. Step 4: Simplify right side
    141,369.44x = 15,159,670,217.74
  5. Step 5: Solve for x
    x = 15,159,670,217.74/141,369.44
  6. Step 6: Final answer
    x = 107,234.42

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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.