Home / 135.74-203.58-58.64

Finding the Fourth Proportional to 135.74, 203.58 and 58.64

Calculator

Solution

The fourth proportional to 135.74, 203.58 and 58.64 is: 87.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.74 : 203.58 = 58.64 : x
  2. Step 2: Convert to fraction form
    135.74/203.58 = 58.64/x
  3. Step 3: Cross multiply
    135.74x = 203.58 × 58.64
  4. Step 4: Simplify right side
    135.74x = 11,937.93
  5. Step 5: Solve for x
    x = 11,937.93/135.74
  6. Step 6: Final answer
    x = 87.95

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.