Home / 109,926.90-164,562.30-103,438.80

Finding the Fourth Proportional to 109,926.90, 164,562.30 and 103,438.80

Calculator

Solution

The fourth proportional to 109,926.90, 164,562.30 and 103,438.80 is: 154,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,926.90 : 164,562.30 = 103,438.80 : x
  2. Step 2: Convert to fraction form
    109,926.90/164,562.30 = 103,438.80/x
  3. Step 3: Cross multiply
    109,926.90x = 164,562.30 × 103,438.80
  4. Step 4: Simplify right side
    109,926.90x = 17,022,126,837.24
  5. Step 5: Solve for x
    x = 17,022,126,837.24/109,926.90
  6. Step 6: Final answer
    x = 154,849.51

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.