Home / 148,745.66-205,271.46-80,762.62

Finding the Fourth Proportional to 148,745.66, 205,271.46 and 80,762.62

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Solution

The fourth proportional to 148,745.66, 205,271.46 and 80,762.62 is: 111,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,745.66 : 205,271.46 = 80,762.62 : x
  2. Step 2: Convert to fraction form
    148,745.66/205,271.46 = 80,762.62/x
  3. Step 3: Cross multiply
    148,745.66x = 205,271.46 × 80,762.62
  4. Step 4: Simplify right side
    148,745.66x = 16,578,260,920.83
  5. Step 5: Solve for x
    x = 16,578,260,920.83/148,745.66
  6. Step 6: Final answer
    x = 111,453.75

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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.