Home / 109,031.76-163,431-56,388.24

Finding the Fourth Proportional to 109,031.76, 163,431 and 56,388.24

Calculator

Solution

The fourth proportional to 109,031.76, 163,431 and 56,388.24 is: 84,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,031.76 : 163,431 = 56,388.24 : x
  2. Step 2: Convert to fraction form
    109,031.76/163,431 = 56,388.24/x
  3. Step 3: Cross multiply
    109,031.76x = 163,431 × 56,388.24
  4. Step 4: Simplify right side
    109,031.76x = 9,215,586,451.44
  5. Step 5: Solve for x
    x = 9,215,586,451.44/109,031.76
  6. Step 6: Final answer
    x = 84,522.04

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.