Home / 104,695.07-144,401.85-66,421.67

Finding the Fourth Proportional to 104,695.07, 144,401.85 and 66,421.67

Calculator

Solution

The fourth proportional to 104,695.07, 144,401.85 and 66,421.67 is: 91,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,695.07 : 144,401.85 = 66,421.67 : x
  2. Step 2: Convert to fraction form
    104,695.07/144,401.85 = 66,421.67/x
  3. Step 3: Cross multiply
    104,695.07x = 144,401.85 × 66,421.67
  4. Step 4: Simplify right side
    104,695.07x = 9,591,411,306.08
  5. Step 5: Solve for x
    x = 9,591,411,306.08/104,695.07
  6. Step 6: Final answer
    x = 91,612.83

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.