Home / 130,412.64-195,486.62-74,136.46

Finding the Fourth Proportional to 130,412.64, 195,486.62 and 74,136.46

Calculator

Solution

The fourth proportional to 130,412.64, 195,486.62 and 74,136.46 is: 111,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,412.64 : 195,486.62 = 74,136.46 : x
  2. Step 2: Convert to fraction form
    130,412.64/195,486.62 = 74,136.46/x
  3. Step 3: Cross multiply
    130,412.64x = 195,486.62 × 74,136.46
  4. Step 4: Simplify right side
    130,412.64x = 14,492,685,984.17
  5. Step 5: Solve for x
    x = 14,492,685,984.17/130,412.64
  6. Step 6: Final answer
    x = 111,129.46

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.