Home / 199,947.04-275,817.72-128,247.28

Finding the Fourth Proportional to 199,947.04, 275,817.72 and 128,247.28

Calculator

Solution

The fourth proportional to 199,947.04, 275,817.72 and 128,247.28 is: 176,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,947.04 : 275,817.72 = 128,247.28 : x
  2. Step 2: Convert to fraction form
    199,947.04/275,817.72 = 128,247.28/x
  3. Step 3: Cross multiply
    199,947.04x = 275,817.72 × 128,247.28
  4. Step 4: Simplify right side
    199,947.04x = 35,372,872,365.80
  5. Step 5: Solve for x
    x = 35,372,872,365.80/199,947.04
  6. Step 6: Final answer
    x = 176,911.21

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.