Home / 166,790.88-230,171.08-90,310.04

Finding the Fourth Proportional to 166,790.88, 230,171.08 and 90,310.04

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Solution

The fourth proportional to 166,790.88, 230,171.08 and 90,310.04 is: 124,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,790.88 : 230,171.08 = 90,310.04 : x
  2. Step 2: Convert to fraction form
    166,790.88/230,171.08 = 90,310.04/x
  3. Step 3: Cross multiply
    166,790.88x = 230,171.08 × 90,310.04
  4. Step 4: Simplify right side
    166,790.88x = 20,786,759,441.64
  5. Step 5: Solve for x
    x = 20,786,759,441.64/166,790.88
  6. Step 6: Final answer
    x = 124,627.67

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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.