Home / 130,145.40-195,218.10-122,272.20

Finding the Fourth Proportional to 130,145.40, 195,218.10 and 122,272.20

Calculator

Solution

The fourth proportional to 130,145.40, 195,218.10 and 122,272.20 is: 183,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,145.40 : 195,218.10 = 122,272.20 : x
  2. Step 2: Convert to fraction form
    130,145.40/195,218.10 = 122,272.20/x
  3. Step 3: Cross multiply
    130,145.40x = 195,218.10 × 122,272.20
  4. Step 4: Simplify right side
    130,145.40x = 23,869,746,566.82
  5. Step 5: Solve for x
    x = 23,869,746,566.82/130,145.40
  6. Step 6: Final answer
    x = 183,408.30

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.