Home / 106,389.23-159,529.47-35,286.21

Finding the Fourth Proportional to 106,389.23, 159,529.47 and 35,286.21

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Solution

The fourth proportional to 106,389.23, 159,529.47 and 35,286.21 is: 52,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,389.23 : 159,529.47 = 35,286.21 : x
  2. Step 2: Convert to fraction form
    106,389.23/159,529.47 = 35,286.21/x
  3. Step 3: Cross multiply
    106,389.23x = 159,529.47 × 35,286.21
  4. Step 4: Simplify right side
    106,389.23x = 5,629,190,379.61
  5. Step 5: Solve for x
    x = 5,629,190,379.61/106,389.23
  6. Step 6: Final answer
    x = 52,911.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.