Home / 137,159.82-189,318.60-79,810.20

Finding the Fourth Proportional to 137,159.82, 189,318.60 and 79,810.20

Calculator

Solution

The fourth proportional to 137,159.82, 189,318.60 and 79,810.20 is: 110,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,159.82 : 189,318.60 = 79,810.20 : x
  2. Step 2: Convert to fraction form
    137,159.82/189,318.60 = 79,810.20/x
  3. Step 3: Cross multiply
    137,159.82x = 189,318.60 × 79,810.20
  4. Step 4: Simplify right side
    137,159.82x = 15,109,555,329.72
  5. Step 5: Solve for x
    x = 15,109,555,329.72/137,159.82
  6. Step 6: Final answer
    x = 110,160.22

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.