Home / 100,593.12-138,766.46-68,329.40

Finding the Fourth Proportional to 100,593.12, 138,766.46 and 68,329.40

Calculator

Solution

The fourth proportional to 100,593.12, 138,766.46 and 68,329.40 is: 94,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,593.12 : 138,766.46 = 68,329.40 : x
  2. Step 2: Convert to fraction form
    100,593.12/138,766.46 = 68,329.40/x
  3. Step 3: Cross multiply
    100,593.12x = 138,766.46 × 68,329.40
  4. Step 4: Simplify right side
    100,593.12x = 9,481,828,957.19
  5. Step 5: Solve for x
    x = 9,481,828,957.19/100,593.12
  6. Step 6: Final answer
    x = 94,259.22

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.