Home / 126,112.24-174,021.96-72,384.40

Finding the Fourth Proportional to 126,112.24, 174,021.96 and 72,384.40

Calculator

Solution

The fourth proportional to 126,112.24, 174,021.96 and 72,384.40 is: 99,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,112.24 : 174,021.96 = 72,384.40 : x
  2. Step 2: Convert to fraction form
    126,112.24/174,021.96 = 72,384.40/x
  3. Step 3: Cross multiply
    126,112.24x = 174,021.96 × 72,384.40
  4. Step 4: Simplify right side
    126,112.24x = 12,596,475,161.42
  5. Step 5: Solve for x
    x = 12,596,475,161.42/126,112.24
  6. Step 6: Final answer
    x = 99,883.05

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.