Home / 124.50-186.72-69.52

Finding the Fourth Proportional to 124.50, 186.72 and 69.52

Calculator

Solution

The fourth proportional to 124.50, 186.72 and 69.52 is: 104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.50 : 186.72 = 69.52 : x
  2. Step 2: Convert to fraction form
    124.50/186.72 = 69.52/x
  3. Step 3: Cross multiply
    124.50x = 186.72 × 69.52
  4. Step 4: Simplify right side
    124.50x = 12,980.77
  5. Step 5: Solve for x
    x = 12,980.77/124.50
  6. Step 6: Final answer
    x = 104.26

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.