Home / 100,893.57-139,233.12-58,476.71

Finding the Fourth Proportional to 100,893.57, 139,233.12 and 58,476.71

Calculator

Solution

The fourth proportional to 100,893.57, 139,233.12 and 58,476.71 is: 80,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,893.57 : 139,233.12 = 58,476.71 : x
  2. Step 2: Convert to fraction form
    100,893.57/139,233.12 = 58,476.71/x
  3. Step 3: Cross multiply
    100,893.57x = 139,233.12 × 58,476.71
  4. Step 4: Simplify right side
    100,893.57x = 8,141,894,084.47
  5. Step 5: Solve for x
    x = 8,141,894,084.47/100,893.57
  6. Step 6: Final answer
    x = 80,697.85

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.