Home / 91,834.74-137,562.57-85,191.12

Finding the Fourth Proportional to 91,834.74, 137,562.57 and 85,191.12

Calculator

Solution

The fourth proportional to 91,834.74, 137,562.57 and 85,191.12 is: 127,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,834.74 : 137,562.57 = 85,191.12 : x
  2. Step 2: Convert to fraction form
    91,834.74/137,562.57 = 85,191.12/x
  3. Step 3: Cross multiply
    91,834.74x = 137,562.57 × 85,191.12
  4. Step 4: Simplify right side
    91,834.74x = 11,719,109,408.38
  5. Step 5: Solve for x
    x = 11,719,109,408.38/91,834.74
  6. Step 6: Final answer
    x = 127,610.85

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.