Home / 134,805.15-186,031.76-74,375.79

Finding the Fourth Proportional to 134,805.15, 186,031.76 and 74,375.79

Calculator

Solution

The fourth proportional to 134,805.15, 186,031.76 and 74,375.79 is: 102,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,805.15 : 186,031.76 = 74,375.79 : x
  2. Step 2: Convert to fraction form
    134,805.15/186,031.76 = 74,375.79/x
  3. Step 3: Cross multiply
    134,805.15x = 186,031.76 × 74,375.79
  4. Step 4: Simplify right side
    134,805.15x = 13,836,259,115.09
  5. Step 5: Solve for x
    x = 13,836,259,115.09/134,805.15
  6. Step 6: Final answer
    x = 102,638.95

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.