Home / 109,830.32-151,513.44-79,566.56

Finding the Fourth Proportional to 109,830.32, 151,513.44 and 79,566.56

Calculator

Solution

The fourth proportional to 109,830.32, 151,513.44 and 79,566.56 is: 109,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,830.32 : 151,513.44 = 79,566.56 : x
  2. Step 2: Convert to fraction form
    109,830.32/151,513.44 = 79,566.56/x
  3. Step 3: Cross multiply
    109,830.32x = 151,513.44 × 79,566.56
  4. Step 4: Simplify right side
    109,830.32x = 12,055,403,214.57
  5. Step 5: Solve for x
    x = 12,055,403,214.57/109,830.32
  6. Step 6: Final answer
    x = 109,763.89

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.