Home / 105,945.30-158,772.15-70,305.30

Finding the Fourth Proportional to 105,945.30, 158,772.15 and 70,305.30

Calculator

Solution

The fourth proportional to 105,945.30, 158,772.15 and 70,305.30 is: 105,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,945.30 : 158,772.15 = 70,305.30 : x
  2. Step 2: Convert to fraction form
    105,945.30/158,772.15 = 70,305.30/x
  3. Step 3: Cross multiply
    105,945.30x = 158,772.15 × 70,305.30
  4. Step 4: Simplify right side
    105,945.30x = 11,162,523,637.40
  5. Step 5: Solve for x
    x = 11,162,523,637.40/105,945.30
  6. Step 6: Final answer
    x = 105,361.20

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.