Home / 120,498.63-166,288.10-72,763.71

Finding the Fourth Proportional to 120,498.63, 166,288.10 and 72,763.71

Calculator

Solution

The fourth proportional to 120,498.63, 166,288.10 and 72,763.71 is: 100,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,498.63 : 166,288.10 = 72,763.71 : x
  2. Step 2: Convert to fraction form
    120,498.63/166,288.10 = 72,763.71/x
  3. Step 3: Cross multiply
    120,498.63x = 166,288.10 × 72,763.71
  4. Step 4: Simplify right side
    120,498.63x = 12,099,739,084.85
  5. Step 5: Solve for x
    x = 12,099,739,084.85/120,498.63
  6. Step 6: Final answer
    x = 100,413.91

Related Problems

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.