Home / 97,149.86-145,497.98-74,785.78

Finding the Fourth Proportional to 97,149.86, 145,497.98 and 74,785.78

Calculator

Solution

The fourth proportional to 97,149.86, 145,497.98 and 74,785.78 is: 112,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,149.86 : 145,497.98 = 74,785.78 : x
  2. Step 2: Convert to fraction form
    97,149.86/145,497.98 = 74,785.78/x
  3. Step 3: Cross multiply
    97,149.86x = 145,497.98 × 74,785.78
  4. Step 4: Simplify right side
    97,149.86x = 10,881,179,922.72
  5. Step 5: Solve for x
    x = 10,881,179,922.72/97,149.86
  6. Step 6: Final answer
    x = 112,004.07

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.