Home / 108,499.92-149,732.30-61,931.84

Finding the Fourth Proportional to 108,499.92, 149,732.30 and 61,931.84

Calculator

Solution

The fourth proportional to 108,499.92, 149,732.30 and 61,931.84 is: 85,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,499.92 : 149,732.30 = 61,931.84 : x
  2. Step 2: Convert to fraction form
    108,499.92/149,732.30 = 61,931.84/x
  3. Step 3: Cross multiply
    108,499.92x = 149,732.30 × 61,931.84
  4. Step 4: Simplify right side
    108,499.92x = 9,273,196,911.10
  5. Step 5: Solve for x
    x = 9,273,196,911.10/108,499.92
  6. Step 6: Final answer
    x = 85,467.32

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.