Home / 153,253.78-211,370.36-99,556.10

Finding the Fourth Proportional to 153,253.78, 211,370.36 and 99,556.10

Calculator

Solution

The fourth proportional to 153,253.78, 211,370.36 and 99,556.10 is: 137,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,253.78 : 211,370.36 = 99,556.10 : x
  2. Step 2: Convert to fraction form
    153,253.78/211,370.36 = 99,556.10/x
  3. Step 3: Cross multiply
    153,253.78x = 211,370.36 × 99,556.10
  4. Step 4: Simplify right side
    153,253.78x = 21,043,208,697.20
  5. Step 5: Solve for x
    x = 21,043,208,697.20/153,253.78
  6. Step 6: Final answer
    x = 137,309.56

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.