Home / 101,108.80-139,529.22-55,787.20

Finding the Fourth Proportional to 101,108.80, 139,529.22 and 55,787.20

Calculator

Solution

The fourth proportional to 101,108.80, 139,529.22 and 55,787.20 is: 76,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,108.80 : 139,529.22 = 55,787.20 : x
  2. Step 2: Convert to fraction form
    101,108.80/139,529.22 = 55,787.20/x
  3. Step 3: Cross multiply
    101,108.80x = 139,529.22 × 55,787.20
  4. Step 4: Simplify right side
    101,108.80x = 7,783,944,501.98
  5. Step 5: Solve for x
    x = 7,783,944,501.98/101,108.80
  6. Step 6: Final answer
    x = 76,985.83

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.