Home / 166,230.56-229,396.96-90,779.04

Finding the Fourth Proportional to 166,230.56, 229,396.96 and 90,779.04

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Solution

The fourth proportional to 166,230.56, 229,396.96 and 90,779.04 is: 125,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,230.56 : 229,396.96 = 90,779.04 : x
  2. Step 2: Convert to fraction form
    166,230.56/229,396.96 = 90,779.04/x
  3. Step 3: Cross multiply
    166,230.56x = 229,396.96 × 90,779.04
  4. Step 4: Simplify right side
    166,230.56x = 20,824,435,807.72
  5. Step 5: Solve for x
    x = 20,824,435,807.72/166,230.56
  6. Step 6: Final answer
    x = 125,274.41

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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.