Home / 141,369.20-195,089.42-77,706.98

Finding the Fourth Proportional to 141,369.20, 195,089.42 and 77,706.98

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Solution

The fourth proportional to 141,369.20, 195,089.42 and 77,706.98 is: 107,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,369.20 : 195,089.42 = 77,706.98 : x
  2. Step 2: Convert to fraction form
    141,369.20/195,089.42 = 77,706.98/x
  3. Step 3: Cross multiply
    141,369.20x = 195,089.42 × 77,706.98
  4. Step 4: Simplify right side
    141,369.20x = 15,159,809,658.15
  5. Step 5: Solve for x
    x = 15,159,809,658.15/141,369.20
  6. Step 6: Final answer
    x = 107,235.59

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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.