Home / 160,432.61-221,399.61-87,834.28

Finding the Fourth Proportional to 160,432.61, 221,399.61 and 87,834.28

Calculator

Solution

The fourth proportional to 160,432.61, 221,399.61 and 87,834.28 is: 121,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,432.61 : 221,399.61 = 87,834.28 : x
  2. Step 2: Convert to fraction form
    160,432.61/221,399.61 = 87,834.28/x
  3. Step 3: Cross multiply
    160,432.61x = 221,399.61 × 87,834.28
  4. Step 4: Simplify right side
    160,432.61x = 19,446,474,229.63
  5. Step 5: Solve for x
    x = 19,446,474,229.63/160,432.61
  6. Step 6: Final answer
    x = 121,212.73

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.