Home / 130.02-179.70-108.14

Finding the Fourth Proportional to 130.02, 179.70 and 108.14

Calculator

Solution

The fourth proportional to 130.02, 179.70 and 108.14 is: 149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.02 : 179.70 = 108.14 : x
  2. Step 2: Convert to fraction form
    130.02/179.70 = 108.14/x
  3. Step 3: Cross multiply
    130.02x = 179.70 × 108.14
  4. Step 4: Simplify right side
    130.02x = 19,432.76
  5. Step 5: Solve for x
    x = 19,432.76/130.02
  6. Step 6: Final answer
    x = 149.46

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.