Home / 207,310.47-310,964.65-80,963.54

Finding the Fourth Proportional to 207,310.47, 310,964.65 and 80,963.54

Calculator

Solution

The fourth proportional to 207,310.47, 310,964.65 and 80,963.54 is: 121,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,310.47 : 310,964.65 = 80,963.54 : x
  2. Step 2: Convert to fraction form
    207,310.47/310,964.65 = 80,963.54/x
  3. Step 3: Cross multiply
    207,310.47x = 310,964.65 × 80,963.54
  4. Step 4: Simplify right side
    207,310.47x = 25,176,798,878.86
  5. Step 5: Solve for x
    x = 25,176,798,878.86/207,310.47
  6. Step 6: Final answer
    x = 121,444.90

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.