Home / 158,731.36-219,048.64-87,112.56

Finding the Fourth Proportional to 158,731.36, 219,048.64 and 87,112.56

Calculator

Solution

The fourth proportional to 158,731.36, 219,048.64 and 87,112.56 is: 120,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,731.36 : 219,048.64 = 87,112.56 : x
  2. Step 2: Convert to fraction form
    158,731.36/219,048.64 = 87,112.56/x
  3. Step 3: Cross multiply
    158,731.36x = 219,048.64 × 87,112.56
  4. Step 4: Simplify right side
    158,731.36x = 19,081,887,794.92
  5. Step 5: Solve for x
    x = 19,081,887,794.92/158,731.36
  6. Step 6: Final answer
    x = 120,214.98

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.