Home / 159,383.16-219,947.04-87,761.70

Finding the Fourth Proportional to 159,383.16, 219,947.04 and 87,761.70

Calculator

Solution

The fourth proportional to 159,383.16, 219,947.04 and 87,761.70 is: 121,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,383.16 : 219,947.04 = 87,761.70 : x
  2. Step 2: Convert to fraction form
    159,383.16/219,947.04 = 87,761.70/x
  3. Step 3: Cross multiply
    159,383.16x = 219,947.04 × 87,761.70
  4. Step 4: Simplify right side
    159,383.16x = 19,302,926,140.37
  5. Step 5: Solve for x
    x = 19,302,926,140.37/159,383.16
  6. Step 6: Final answer
    x = 121,110.20

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.