Home / 143,329.26-197,795.13-79,672.98

Finding the Fourth Proportional to 143,329.26, 197,795.13 and 79,672.98

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Solution

The fourth proportional to 143,329.26, 197,795.13 and 79,672.98 is: 109,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,329.26 : 197,795.13 = 79,672.98 : x
  2. Step 2: Convert to fraction form
    143,329.26/197,795.13 = 79,672.98/x
  3. Step 3: Cross multiply
    143,329.26x = 197,795.13 × 79,672.98
  4. Step 4: Simplify right side
    143,329.26x = 15,758,927,436.59
  5. Step 5: Solve for x
    x = 15,758,927,436.59/143,329.26
  6. Step 6: Final answer
    x = 109,949.13

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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.