Home / 173,829.30-260,441.55-80,142.90

Finding the Fourth Proportional to 173,829.30, 260,441.55 and 80,142.90

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Solution

The fourth proportional to 173,829.30, 260,441.55 and 80,142.90 is: 120,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,829.30 : 260,441.55 = 80,142.90 : x
  2. Step 2: Convert to fraction form
    173,829.30/260,441.55 = 80,142.90/x
  3. Step 3: Cross multiply
    173,829.30x = 260,441.55 × 80,142.90
  4. Step 4: Simplify right side
    173,829.30x = 20,872,541,097.50
  5. Step 5: Solve for x
    x = 20,872,541,097.50/173,829.30
  6. Step 6: Final answer
    x = 120,074.93

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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.