Home / 91,985.36-126,936.20-51,700.88

Finding the Fourth Proportional to 91,985.36, 126,936.20 and 51,700.88

Calculator

Solution

The fourth proportional to 91,985.36, 126,936.20 and 51,700.88 is: 71,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,985.36 : 126,936.20 = 51,700.88 : x
  2. Step 2: Convert to fraction form
    91,985.36/126,936.20 = 51,700.88/x
  3. Step 3: Cross multiply
    91,985.36x = 126,936.20 × 51,700.88
  4. Step 4: Simplify right side
    91,985.36x = 6,562,713,243.86
  5. Step 5: Solve for x
    x = 6,562,713,243.86/91,985.36
  6. Step 6: Final answer
    x = 71,345.19

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.