Home / 113,639.16-156,826.89-63,338.16

Finding the Fourth Proportional to 113,639.16, 156,826.89 and 63,338.16

Calculator

Solution

The fourth proportional to 113,639.16, 156,826.89 and 63,338.16 is: 87,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.16 : 156,826.89 = 63,338.16 : x
  2. Step 2: Convert to fraction form
    113,639.16/156,826.89 = 63,338.16/x
  3. Step 3: Cross multiply
    113,639.16x = 156,826.89 × 63,338.16
  4. Step 4: Simplify right side
    113,639.16x = 9,933,126,651.12
  5. Step 5: Solve for x
    x = 9,933,126,651.12/113,639.16
  6. Step 6: Final answer
    x = 87,409.36

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.