Home / 92,538.32-138,646.20-55,520.72

Finding the Fourth Proportional to 92,538.32, 138,646.20 and 55,520.72

Calculator

Solution

The fourth proportional to 92,538.32, 138,646.20 and 55,520.72 is: 83,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,538.32 : 138,646.20 = 55,520.72 : x
  2. Step 2: Convert to fraction form
    92,538.32/138,646.20 = 55,520.72/x
  3. Step 3: Cross multiply
    92,538.32x = 138,646.20 × 55,520.72
  4. Step 4: Simplify right side
    92,538.32x = 7,697,736,849.26
  5. Step 5: Solve for x
    x = 7,697,736,849.26/92,538.32
  6. Step 6: Final answer
    x = 83,184.32

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.