Home / 143,543.84-215,290.16-43,679.84

Finding the Fourth Proportional to 143,543.84, 215,290.16 and 43,679.84

Calculator

Solution

The fourth proportional to 143,543.84, 215,290.16 and 43,679.84 is: 65,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,543.84 : 215,290.16 = 43,679.84 : x
  2. Step 2: Convert to fraction form
    143,543.84/215,290.16 = 43,679.84/x
  3. Step 3: Cross multiply
    143,543.84x = 215,290.16 × 43,679.84
  4. Step 4: Simplify right side
    143,543.84x = 9,403,839,742.37
  5. Step 5: Solve for x
    x = 9,403,839,742.37/143,543.84
  6. Step 6: Final answer
    x = 65,511.97

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.