Home / 190,669.40-263,123.81-105,786.26

Finding the Fourth Proportional to 190,669.40, 263,123.81 and 105,786.26

Calculator

Solution

The fourth proportional to 190,669.40, 263,123.81 and 105,786.26 is: 145,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.40 : 263,123.81 = 105,786.26 : x
  2. Step 2: Convert to fraction form
    190,669.40/263,123.81 = 105,786.26/x
  3. Step 3: Cross multiply
    190,669.40x = 263,123.81 × 105,786.26
  4. Step 4: Simplify right side
    190,669.40x = 27,834,881,932.30
  5. Step 5: Solve for x
    x = 27,834,881,932.30/190,669.40
  6. Step 6: Final answer
    x = 145,985.05

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.