Home / 230,126.08-345,180.93-80,365.78

Finding the Fourth Proportional to 230,126.08, 345,180.93 and 80,365.78

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Solution

The fourth proportional to 230,126.08, 345,180.93 and 80,365.78 is: 120,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,126.08 : 345,180.93 = 80,365.78 : x
  2. Step 2: Convert to fraction form
    230,126.08/345,180.93 = 80,365.78/x
  3. Step 3: Cross multiply
    230,126.08x = 345,180.93 × 80,365.78
  4. Step 4: Simplify right side
    230,126.08x = 27,740,734,680.58
  5. Step 5: Solve for x
    x = 27,740,734,680.58/230,126.08
  6. Step 6: Final answer
    x = 120,545.81

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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.