Home / 206,205.60-284,590.08-121,330.56

Finding the Fourth Proportional to 206,205.60, 284,590.08 and 121,330.56

Calculator

Solution

The fourth proportional to 206,205.60, 284,590.08 and 121,330.56 is: 167,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,205.60 : 284,590.08 = 121,330.56 : x
  2. Step 2: Convert to fraction form
    206,205.60/284,590.08 = 121,330.56/x
  3. Step 3: Cross multiply
    206,205.60x = 284,590.08 × 121,330.56
  4. Step 4: Simplify right side
    206,205.60x = 34,529,473,776.84
  5. Step 5: Solve for x
    x = 34,529,473,776.84/206,205.60
  6. Step 6: Final answer
    x = 167,451.68

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.