Home / 166,405.26-229,638.86-90,954.30

Finding the Fourth Proportional to 166,405.26, 229,638.86 and 90,954.30

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Solution

The fourth proportional to 166,405.26, 229,638.86 and 90,954.30 is: 125,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,405.26 : 229,638.86 = 90,954.30 : x
  2. Step 2: Convert to fraction form
    166,405.26/229,638.86 = 90,954.30/x
  3. Step 3: Cross multiply
    166,405.26x = 229,638.86 × 90,954.30
  4. Step 4: Simplify right side
    166,405.26x = 20,886,641,764.10
  5. Step 5: Solve for x
    x = 20,886,641,764.10/166,405.26
  6. Step 6: Final answer
    x = 125,516.72

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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.