Home / 140,306.60-193,615.85-76,632.09

Finding the Fourth Proportional to 140,306.60, 193,615.85 and 76,632.09

Calculator

Solution

The fourth proportional to 140,306.60, 193,615.85 and 76,632.09 is: 105,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.60 : 193,615.85 = 76,632.09 : x
  2. Step 2: Convert to fraction form
    140,306.60/193,615.85 = 76,632.09/x
  3. Step 3: Cross multiply
    140,306.60x = 193,615.85 × 76,632.09
  4. Step 4: Simplify right side
    140,306.60x = 14,837,186,859.47
  5. Step 5: Solve for x
    x = 14,837,186,859.47/140,306.60
  6. Step 6: Final answer
    x = 105,748.32

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.