Home / 100,904.82-139,248.69-58,487.94

Finding the Fourth Proportional to 100,904.82, 139,248.69 and 58,487.94

Calculator

Solution

The fourth proportional to 100,904.82, 139,248.69 and 58,487.94 is: 80,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,904.82 : 139,248.69 = 58,487.94 : x
  2. Step 2: Convert to fraction form
    100,904.82/139,248.69 = 58,487.94/x
  3. Step 3: Cross multiply
    100,904.82x = 139,248.69 × 58,487.94
  4. Step 4: Simplify right side
    100,904.82x = 8,144,369,025.80
  5. Step 5: Solve for x
    x = 8,144,369,025.80/100,904.82
  6. Step 6: Final answer
    x = 80,713.38

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.