Home / 155,613.70-233,420.55-76,881.70

Finding the Fourth Proportional to 155,613.70, 233,420.55 and 76,881.70

Calculator

Solution

The fourth proportional to 155,613.70, 233,420.55 and 76,881.70 is: 115,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,613.70 : 233,420.55 = 76,881.70 : x
  2. Step 2: Convert to fraction form
    155,613.70/233,420.55 = 76,881.70/x
  3. Step 3: Cross multiply
    155,613.70x = 233,420.55 × 76,881.70
  4. Step 4: Simplify right side
    155,613.70x = 17,945,768,698.94
  5. Step 5: Solve for x
    x = 17,945,768,698.94/155,613.70
  6. Step 6: Final answer
    x = 115,322.55

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.