Home / 129,862.77-194,805.30-45,615.62

Finding the Fourth Proportional to 129,862.77, 194,805.30 and 45,615.62

Calculator

Solution

The fourth proportional to 129,862.77, 194,805.30 and 45,615.62 is: 68,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.77 : 194,805.30 = 45,615.62 : x
  2. Step 2: Convert to fraction form
    129,862.77/194,805.30 = 45,615.62/x
  3. Step 3: Cross multiply
    129,862.77x = 194,805.30 × 45,615.62
  4. Step 4: Simplify right side
    129,862.77x = 8,886,163,564.76
  5. Step 5: Solve for x
    x = 8,886,163,564.76/129,862.77
  6. Step 6: Final answer
    x = 68,427.34

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.