Home / 281,343.76-422,013.80-70,981.90

Finding the Fourth Proportional to 281,343.76, 422,013.80 and 70,981.90

Calculator

Solution

The fourth proportional to 281,343.76, 422,013.80 and 70,981.90 is: 106,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,343.76 : 422,013.80 = 70,981.90 : x
  2. Step 2: Convert to fraction form
    281,343.76/422,013.80 = 70,981.90/x
  3. Step 3: Cross multiply
    281,343.76x = 422,013.80 × 70,981.90
  4. Step 4: Simplify right side
    281,343.76x = 29,955,341,350.22
  5. Step 5: Solve for x
    x = 29,955,341,350.22/281,343.76
  6. Step 6: Final answer
    x = 106,472.39

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.