Home / 143,436.99-197,950.05-79,773.42

Finding the Fourth Proportional to 143,436.99, 197,950.05 and 79,773.42

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Solution

The fourth proportional to 143,436.99, 197,950.05 and 79,773.42 is: 110,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,436.99 : 197,950.05 = 79,773.42 : x
  2. Step 2: Convert to fraction form
    143,436.99/197,950.05 = 79,773.42/x
  3. Step 3: Cross multiply
    143,436.99x = 197,950.05 × 79,773.42
  4. Step 4: Simplify right side
    143,436.99x = 15,791,152,078.80
  5. Step 5: Solve for x
    x = 15,791,152,078.80/143,436.99
  6. Step 6: Final answer
    x = 110,091.21

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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.