Home / 99,069.04-136,724.88-56,619.48

Finding the Fourth Proportional to 99,069.04, 136,724.88 and 56,619.48

Calculator

Solution

The fourth proportional to 99,069.04, 136,724.88 and 56,619.48 is: 78,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069.04 : 136,724.88 = 56,619.48 : x
  2. Step 2: Convert to fraction form
    99,069.04/136,724.88 = 56,619.48/x
  3. Step 3: Cross multiply
    99,069.04x = 136,724.88 × 56,619.48
  4. Step 4: Simplify right side
    99,069.04x = 7,741,291,608.66
  5. Step 5: Solve for x
    x = 7,741,291,608.66/99,069.04
  6. Step 6: Final answer
    x = 78,140.37

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.