Home / 152,765.38-210,816.22-85,697.38

Finding the Fourth Proportional to 152,765.38, 210,816.22 and 85,697.38

Calculator

Solution

The fourth proportional to 152,765.38, 210,816.22 and 85,697.38 is: 118,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,765.38 : 210,816.22 = 85,697.38 : x
  2. Step 2: Convert to fraction form
    152,765.38/210,816.22 = 85,697.38/x
  3. Step 3: Cross multiply
    152,765.38x = 210,816.22 × 85,697.38
  4. Step 4: Simplify right side
    152,765.38x = 18,066,396,661.42
  5. Step 5: Solve for x
    x = 18,066,396,661.42/152,765.38
  6. Step 6: Final answer
    x = 118,262.38

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.