Home / 104,145.03-143,720.28-56,398.46

Finding the Fourth Proportional to 104,145.03, 143,720.28 and 56,398.46

Calculator

Solution

The fourth proportional to 104,145.03, 143,720.28 and 56,398.46 is: 77,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,145.03 : 143,720.28 = 56,398.46 : x
  2. Step 2: Convert to fraction form
    104,145.03/143,720.28 = 56,398.46/x
  3. Step 3: Cross multiply
    104,145.03x = 143,720.28 × 56,398.46
  4. Step 4: Simplify right side
    104,145.03x = 8,105,601,744.17
  5. Step 5: Solve for x
    x = 8,105,601,744.17/104,145.03
  6. Step 6: Final answer
    x = 77,829.94

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.