Home / 260,081.51-390,135.75-82,602.41

Finding the Fourth Proportional to 260,081.51, 390,135.75 and 82,602.41

Calculator

Solution

The fourth proportional to 260,081.51, 390,135.75 and 82,602.41 is: 123,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,081.51 : 390,135.75 = 82,602.41 : x
  2. Step 2: Convert to fraction form
    260,081.51/390,135.75 = 82,602.41/x
  3. Step 3: Cross multiply
    260,081.51x = 390,135.75 × 82,602.41
  4. Step 4: Simplify right side
    260,081.51x = 32,226,151,226.48
  5. Step 5: Solve for x
    x = 32,226,151,226.48/260,081.51
  6. Step 6: Final answer
    x = 123,907.89

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.