Home / 134,924.06-186,211.61-78,335.44

Finding the Fourth Proportional to 134,924.06, 186,211.61 and 78,335.44

Calculator

Solution

The fourth proportional to 134,924.06, 186,211.61 and 78,335.44 is: 108,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,924.06 : 186,211.61 = 78,335.44 : x
  2. Step 2: Convert to fraction form
    134,924.06/186,211.61 = 78,335.44/x
  3. Step 3: Cross multiply
    134,924.06x = 186,211.61 × 78,335.44
  4. Step 4: Simplify right side
    134,924.06x = 14,586,967,839.01
  5. Step 5: Solve for x
    x = 14,586,967,839.01/134,924.06
  6. Step 6: Final answer
    x = 108,112.43

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.