Home / 82,603.80-124,002.90-82,020.60

Finding the Fourth Proportional to 82,603.80, 124,002.90 and 82,020.60

Calculator

Solution

The fourth proportional to 82,603.80, 124,002.90 and 82,020.60 is: 123,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,603.80 : 124,002.90 = 82,020.60 : x
  2. Step 2: Convert to fraction form
    82,603.80/124,002.90 = 82,020.60/x
  3. Step 3: Cross multiply
    82,603.80x = 124,002.90 × 82,020.60
  4. Step 4: Simplify right side
    82,603.80x = 10,170,792,259.74
  5. Step 5: Solve for x
    x = 10,170,792,259.74/82,603.80
  6. Step 6: Final answer
    x = 123,127.41

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.