Home / 109,485.28-164,228.07-26,379.28

Finding the Fourth Proportional to 109,485.28, 164,228.07 and 26,379.28

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Solution

The fourth proportional to 109,485.28, 164,228.07 and 26,379.28 is: 39,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.28 : 164,228.07 = 26,379.28 : x
  2. Step 2: Convert to fraction form
    109,485.28/164,228.07 = 26,379.28/x
  3. Step 3: Cross multiply
    109,485.28x = 164,228.07 × 26,379.28
  4. Step 4: Simplify right side
    109,485.28x = 4,332,218,242.39
  5. Step 5: Solve for x
    x = 4,332,218,242.39/109,485.28
  6. Step 6: Final answer
    x = 39,568.96

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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.