Home / 140,302.76-193,615.38-76,638.92

Finding the Fourth Proportional to 140,302.76, 193,615.38 and 76,638.92

Calculator

Solution

The fourth proportional to 140,302.76, 193,615.38 and 76,638.92 is: 105,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,302.76 : 193,615.38 = 76,638.92 : x
  2. Step 2: Convert to fraction form
    140,302.76/193,615.38 = 76,638.92/x
  3. Step 3: Cross multiply
    140,302.76x = 193,615.38 × 76,638.92
  4. Step 4: Simplify right side
    140,302.76x = 14,838,473,618.59
  5. Step 5: Solve for x
    x = 14,838,473,618.59/140,302.76
  6. Step 6: Final answer
    x = 105,760.38

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.