Home / 113,088.80-169,633.20-73,690.40

Finding the Fourth Proportional to 113,088.80, 169,633.20 and 73,690.40

Calculator

Solution

The fourth proportional to 113,088.80, 169,633.20 and 73,690.40 is: 110,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,088.80 : 169,633.20 = 73,690.40 : x
  2. Step 2: Convert to fraction form
    113,088.80/169,633.20 = 73,690.40/x
  3. Step 3: Cross multiply
    113,088.80x = 169,633.20 × 73,690.40
  4. Step 4: Simplify right side
    113,088.80x = 12,500,338,361.28
  5. Step 5: Solve for x
    x = 12,500,338,361.28/113,088.80
  6. Step 6: Final answer
    x = 110,535.60

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.