Home / 156,942.60-235,413.90-57,215.40

Finding the Fourth Proportional to 156,942.60, 235,413.90 and 57,215.40

Calculator

Solution

The fourth proportional to 156,942.60, 235,413.90 and 57,215.40 is: 85,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.60 : 235,413.90 = 57,215.40 : x
  2. Step 2: Convert to fraction form
    156,942.60/235,413.90 = 57,215.40/x
  3. Step 3: Cross multiply
    156,942.60x = 235,413.90 × 57,215.40
  4. Step 4: Simplify right side
    156,942.60x = 13,469,300,454.06
  5. Step 5: Solve for x
    x = 13,469,300,454.06/156,942.60
  6. Step 6: Final answer
    x = 85,823.10

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.