Home / 124,605.32-186,836.16-85,210.16

Finding the Fourth Proportional to 124,605.32, 186,836.16 and 85,210.16

Calculator

Solution

The fourth proportional to 124,605.32, 186,836.16 and 85,210.16 is: 127,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,605.32 : 186,836.16 = 85,210.16 : x
  2. Step 2: Convert to fraction form
    124,605.32/186,836.16 = 85,210.16/x
  3. Step 3: Cross multiply
    124,605.32x = 186,836.16 × 85,210.16
  4. Step 4: Simplify right side
    124,605.32x = 15,920,339,087.39
  5. Step 5: Solve for x
    x = 15,920,339,087.39/124,605.32
  6. Step 6: Final answer
    x = 127,766.13

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.