Home / 257,396.10-385,864.52-130,965.63

Finding the Fourth Proportional to 257,396.10, 385,864.52 and 130,965.63

Calculator

Solution

The fourth proportional to 257,396.10, 385,864.52 and 130,965.63 is: 196,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,396.10 : 385,864.52 = 130,965.63 : x
  2. Step 2: Convert to fraction form
    257,396.10/385,864.52 = 130,965.63/x
  3. Step 3: Cross multiply
    257,396.10x = 385,864.52 × 130,965.63
  4. Step 4: Simplify right side
    257,396.10x = 50,534,989,956.45
  5. Step 5: Solve for x
    x = 50,534,989,956.45/257,396.10
  6. Step 6: Final answer
    x = 196,331.61

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.