Home / 149,869.26-206,578.98-101,455.92

Finding the Fourth Proportional to 149,869.26, 206,578.98 and 101,455.92

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Solution

The fourth proportional to 149,869.26, 206,578.98 and 101,455.92 is: 139,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,869.26 : 206,578.98 = 101,455.92 : x
  2. Step 2: Convert to fraction form
    149,869.26/206,578.98 = 101,455.92/x
  3. Step 3: Cross multiply
    149,869.26x = 206,578.98 × 101,455.92
  4. Step 4: Simplify right side
    149,869.26x = 20,958,660,468.56
  5. Step 5: Solve for x
    x = 20,958,660,468.56/149,869.26
  6. Step 6: Final answer
    x = 139,846.29

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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.