Home / 140-210.08-64

Finding the Fourth Proportional to 140, 210.08 and 64

Calculator

Solution

The fourth proportional to 140, 210.08 and 64 is: 96.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140 : 210.08 = 64 : x
  2. Step 2: Convert to fraction form
    140/210.08 = 64/x
  3. Step 3: Cross multiply
    140x = 210.08 × 64
  4. Step 4: Simplify right side
    140x = 13,445.12
  5. Step 5: Solve for x
    x = 13,445.12/140
  6. Step 6: Final answer
    x = 96.04

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.