Home / 146.15-201.65-84.00

Finding the Fourth Proportional to 146.15, 201.65 and 84.00

Calculator

Solution

The fourth proportional to 146.15, 201.65 and 84.00 is: 115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.15 : 201.65 = 84.00 : x
  2. Step 2: Convert to fraction form
    146.15/201.65 = 84.00/x
  3. Step 3: Cross multiply
    146.15x = 201.65 × 84.00
  4. Step 4: Simplify right side
    146.15x = 16,937.74
  5. Step 5: Solve for x
    x = 16,937.74/146.15
  6. Step 6: Final answer
    x = 115.89

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.