Home / 159,514.90-220,140.37-87,894.91

Finding the Fourth Proportional to 159,514.90, 220,140.37 and 87,894.91

Calculator

Solution

The fourth proportional to 159,514.90, 220,140.37 and 87,894.91 is: 121,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,514.90 : 220,140.37 = 87,894.91 : x
  2. Step 2: Convert to fraction form
    159,514.90/220,140.37 = 87,894.91/x
  3. Step 3: Cross multiply
    159,514.90x = 220,140.37 × 87,894.91
  4. Step 4: Simplify right side
    159,514.90x = 19,349,216,907.81
  5. Step 5: Solve for x
    x = 19,349,216,907.81/159,514.90
  6. Step 6: Final answer
    x = 121,300.37

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.