Home / 189,328.60-261,286.14-108,782.20

Finding the Fourth Proportional to 189,328.60, 261,286.14 and 108,782.20

Calculator

Solution

The fourth proportional to 189,328.60, 261,286.14 and 108,782.20 is: 150,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,328.60 : 261,286.14 = 108,782.20 : x
  2. Step 2: Convert to fraction form
    189,328.60/261,286.14 = 108,782.20/x
  3. Step 3: Cross multiply
    189,328.60x = 261,286.14 × 108,782.20
  4. Step 4: Simplify right side
    189,328.60x = 28,423,281,138.71
  5. Step 5: Solve for x
    x = 28,423,281,138.71/189,328.60
  6. Step 6: Final answer
    x = 150,126.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.