Home / 151,636.63-209,255.91-83,660.12

Finding the Fourth Proportional to 151,636.63, 209,255.91 and 83,660.12

Calculator

Solution

The fourth proportional to 151,636.63, 209,255.91 and 83,660.12 is: 115,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,636.63 : 209,255.91 = 83,660.12 : x
  2. Step 2: Convert to fraction form
    151,636.63/209,255.91 = 83,660.12/x
  3. Step 3: Cross multiply
    151,636.63x = 209,255.91 × 83,660.12
  4. Step 4: Simplify right side
    151,636.63x = 17,506,373,377.48
  5. Step 5: Solve for x
    x = 17,506,373,377.48/151,636.63
  6. Step 6: Final answer
    x = 115,449.50

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.