Home / 128,089.55-176,773.69-74,391.41

Finding the Fourth Proportional to 128,089.55, 176,773.69 and 74,391.41

Calculator

Solution

The fourth proportional to 128,089.55, 176,773.69 and 74,391.41 is: 102,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,089.55 : 176,773.69 = 74,391.41 : x
  2. Step 2: Convert to fraction form
    128,089.55/176,773.69 = 74,391.41/x
  3. Step 3: Cross multiply
    128,089.55x = 176,773.69 × 74,391.41
  4. Step 4: Simplify right side
    128,089.55x = 13,150,444,584.93
  5. Step 5: Solve for x
    x = 13,150,444,584.93/128,089.55
  6. Step 6: Final answer
    x = 102,666.02

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.