Home / 166,790.19-230,170.57-90,309.34

Finding the Fourth Proportional to 166,790.19, 230,170.57 and 90,309.34

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Solution

The fourth proportional to 166,790.19, 230,170.57 and 90,309.34 is: 124,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,790.19 : 230,170.57 = 90,309.34 : x
  2. Step 2: Convert to fraction form
    166,790.19/230,170.57 = 90,309.34/x
  3. Step 3: Cross multiply
    166,790.19x = 230,170.57 × 90,309.34
  4. Step 4: Simplify right side
    166,790.19x = 20,786,550,661.72
  5. Step 5: Solve for x
    x = 20,786,550,661.72/166,790.19
  6. Step 6: Final answer
    x = 124,626.94

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1.5x scale

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.