Home / 173,645.80-260,031.30-138,653.80

Finding the Fourth Proportional to 173,645.80, 260,031.30 and 138,653.80

Calculator

Solution

The fourth proportional to 173,645.80, 260,031.30 and 138,653.80 is: 207,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,645.80 : 260,031.30 = 138,653.80 : x
  2. Step 2: Convert to fraction form
    173,645.80/260,031.30 = 138,653.80/x
  3. Step 3: Cross multiply
    173,645.80x = 260,031.30 × 138,653.80
  4. Step 4: Simplify right side
    173,645.80x = 36,054,327,863.94
  5. Step 5: Solve for x
    x = 36,054,327,863.94/173,645.80
  6. Step 6: Final answer
    x = 207,631.44

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.