Home / 239,170-330,054.60-138,626.32

Finding the Fourth Proportional to 239,170, 330,054.60 and 138,626.32

Calculator

Solution

The fourth proportional to 239,170, 330,054.60 and 138,626.32 is: 191,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,170 : 330,054.60 = 138,626.32 : x
  2. Step 2: Convert to fraction form
    239,170/330,054.60 = 138,626.32/x
  3. Step 3: Cross multiply
    239,170x = 330,054.60 × 138,626.32
  4. Step 4: Simplify right side
    239,170x = 45,754,254,597.07
  5. Step 5: Solve for x
    x = 45,754,254,597.07/239,170
  6. Step 6: Final answer
    x = 191,304.32

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.