Home / 173,609.28-260,144.58-120,405.06

Finding the Fourth Proportional to 173,609.28, 260,144.58 and 120,405.06

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Solution

The fourth proportional to 173,609.28, 260,144.58 and 120,405.06 is: 180,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,609.28 : 260,144.58 = 120,405.06 : x
  2. Step 2: Convert to fraction form
    173,609.28/260,144.58 = 120,405.06/x
  3. Step 3: Cross multiply
    173,609.28x = 260,144.58 × 120,405.06
  4. Step 4: Simplify right side
    173,609.28x = 31,322,723,763.57
  5. Step 5: Solve for x
    x = 31,322,723,763.57/173,609.28
  6. Step 6: Final answer
    x = 180,420.79

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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.