Home / 109,108.22-150,518.50-70,865.06

Finding the Fourth Proportional to 109,108.22, 150,518.50 and 70,865.06

Calculator

Solution

The fourth proportional to 109,108.22, 150,518.50 and 70,865.06 is: 97,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,108.22 : 150,518.50 = 70,865.06 : x
  2. Step 2: Convert to fraction form
    109,108.22/150,518.50 = 70,865.06/x
  3. Step 3: Cross multiply
    109,108.22x = 150,518.50 × 70,865.06
  4. Step 4: Simplify right side
    109,108.22x = 10,666,501,603.85
  5. Step 5: Solve for x
    x = 10,666,501,603.85/109,108.22
  6. Step 6: Final answer
    x = 97,760.76

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.