Home / 130,647.66-180,326.43-80,317.50

Finding the Fourth Proportional to 130,647.66, 180,326.43 and 80,317.50

Calculator

Solution

The fourth proportional to 130,647.66, 180,326.43 and 80,317.50 is: 110,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,647.66 : 180,326.43 = 80,317.50 : x
  2. Step 2: Convert to fraction form
    130,647.66/180,326.43 = 80,317.50/x
  3. Step 3: Cross multiply
    130,647.66x = 180,326.43 × 80,317.50
  4. Step 4: Simplify right side
    130,647.66x = 14,483,368,041.53
  5. Step 5: Solve for x
    x = 14,483,368,041.53/130,647.66
  6. Step 6: Final answer
    x = 110,858.23

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.