Home / 142,694-196,917.76-83,078

Finding the Fourth Proportional to 142,694, 196,917.76 and 83,078

Calculator

Solution

The fourth proportional to 142,694, 196,917.76 and 83,078 is: 114,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,694 : 196,917.76 = 83,078 : x
  2. Step 2: Convert to fraction form
    142,694/196,917.76 = 83,078/x
  3. Step 3: Cross multiply
    142,694x = 196,917.76 × 83,078
  4. Step 4: Simplify right side
    142,694x = 16,359,533,665.28
  5. Step 5: Solve for x
    x = 16,359,533,665.28/142,694
  6. Step 6: Final answer
    x = 114,647.66

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.