Home / 156,154.33-215,493.04-84,534.35

Finding the Fourth Proportional to 156,154.33, 215,493.04 and 84,534.35

Calculator

Solution

The fourth proportional to 156,154.33, 215,493.04 and 84,534.35 is: 116,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.33 : 215,493.04 = 84,534.35 : x
  2. Step 2: Convert to fraction form
    156,154.33/215,493.04 = 84,534.35/x
  3. Step 3: Cross multiply
    156,154.33x = 215,493.04 × 84,534.35
  4. Step 4: Simplify right side
    156,154.33x = 18,216,562,565.79
  5. Step 5: Solve for x
    x = 18,216,562,565.79/156,154.33
  6. Step 6: Final answer
    x = 116,657.43

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.