Home / 180,717.54-249,390.84-100,146.42

Finding the Fourth Proportional to 180,717.54, 249,390.84 and 100,146.42

Calculator

Solution

The fourth proportional to 180,717.54, 249,390.84 and 100,146.42 is: 138,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,717.54 : 249,390.84 = 100,146.42 : x
  2. Step 2: Convert to fraction form
    180,717.54/249,390.84 = 100,146.42/x
  3. Step 3: Cross multiply
    180,717.54x = 249,390.84 × 100,146.42
  4. Step 4: Simplify right side
    180,717.54x = 24,975,599,806.79
  5. Step 5: Solve for x
    x = 24,975,599,806.79/180,717.54
  6. Step 6: Final answer
    x = 138,202.41

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.