Home / 141,388.36-195,124.26-77,725.96

Finding the Fourth Proportional to 141,388.36, 195,124.26 and 77,725.96

Calculator

Solution

The fourth proportional to 141,388.36, 195,124.26 and 77,725.96 is: 107,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.36 : 195,124.26 = 77,725.96 : x
  2. Step 2: Convert to fraction form
    141,388.36/195,124.26 = 77,725.96/x
  3. Step 3: Cross multiply
    141,388.36x = 195,124.26 × 77,725.96
  4. Step 4: Simplify right side
    141,388.36x = 15,166,220,427.79
  5. Step 5: Solve for x
    x = 15,166,220,427.79/141,388.36
  6. Step 6: Final answer
    x = 107,266.40

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.