Home / 160,105.61-220,947.43-87,510.57

Finding the Fourth Proportional to 160,105.61, 220,947.43 and 87,510.57

Calculator

Solution

The fourth proportional to 160,105.61, 220,947.43 and 87,510.57 is: 120,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,105.61 : 220,947.43 = 87,510.57 : x
  2. Step 2: Convert to fraction form
    160,105.61/220,947.43 = 87,510.57/x
  3. Step 3: Cross multiply
    160,105.61x = 220,947.43 × 87,510.57
  4. Step 4: Simplify right side
    160,105.61x = 19,335,235,539.34
  5. Step 5: Solve for x
    x = 19,335,235,539.34/160,105.61
  6. Step 6: Final answer
    x = 120,765.51

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.