Home / 168,311.13-232,240.82-100,326.89

Finding the Fourth Proportional to 168,311.13, 232,240.82 and 100,326.89

Calculator

Solution

The fourth proportional to 168,311.13, 232,240.82 and 100,326.89 is: 138,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,311.13 : 232,240.82 = 100,326.89 : x
  2. Step 2: Convert to fraction form
    168,311.13/232,240.82 = 100,326.89/x
  3. Step 3: Cross multiply
    168,311.13x = 232,240.82 × 100,326.89
  4. Step 4: Simplify right side
    168,311.13x = 23,299,997,538.81
  5. Step 5: Solve for x
    x = 23,299,997,538.81/168,311.13
  6. Step 6: Final answer
    x = 138,434.09

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.