Home / 285,190.12-393,545.46-157,858.12

Finding the Fourth Proportional to 285,190.12, 393,545.46 and 157,858.12

Calculator

Solution

The fourth proportional to 285,190.12, 393,545.46 and 157,858.12 is: 217,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,190.12 : 393,545.46 = 157,858.12 : x
  2. Step 2: Convert to fraction form
    285,190.12/393,545.46 = 157,858.12/x
  3. Step 3: Cross multiply
    285,190.12x = 393,545.46 × 157,858.12
  4. Step 4: Simplify right side
    285,190.12x = 62,124,346,450.14
  5. Step 5: Solve for x
    x = 62,124,346,450.14/285,190.12
  6. Step 6: Final answer
    x = 217,834.85

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.