Home / 163,718.80-245,635.80-80,557.20

Finding the Fourth Proportional to 163,718.80, 245,635.80 and 80,557.20

Calculator

Solution

The fourth proportional to 163,718.80, 245,635.80 and 80,557.20 is: 120,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,718.80 : 245,635.80 = 80,557.20 : x
  2. Step 2: Convert to fraction form
    163,718.80/245,635.80 = 80,557.20/x
  3. Step 3: Cross multiply
    163,718.80x = 245,635.80 × 80,557.20
  4. Step 4: Simplify right side
    163,718.80x = 19,787,732,267.76
  5. Step 5: Solve for x
    x = 19,787,732,267.76/163,718.80
  6. Step 6: Final answer
    x = 120,864.14

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.