Home / 154,067.18-231,166.65-74,066.72

Finding the Fourth Proportional to 154,067.18, 231,166.65 and 74,066.72

Calculator

Solution

The fourth proportional to 154,067.18, 231,166.65 and 74,066.72 is: 111,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,067.18 : 231,166.65 = 74,066.72 : x
  2. Step 2: Convert to fraction form
    154,067.18/231,166.65 = 74,066.72/x
  3. Step 3: Cross multiply
    154,067.18x = 231,166.65 × 74,066.72
  4. Step 4: Simplify right side
    154,067.18x = 17,121,755,538.89
  5. Step 5: Solve for x
    x = 17,121,755,538.89/154,067.18
  6. Step 6: Final answer
    x = 111,131.75

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.