Home / 156,433.08-215,821.08-102,747.20

Finding the Fourth Proportional to 156,433.08, 215,821.08 and 102,747.20

Calculator

Solution

The fourth proportional to 156,433.08, 215,821.08 and 102,747.20 is: 141,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,433.08 : 215,821.08 = 102,747.20 : x
  2. Step 2: Convert to fraction form
    156,433.08/215,821.08 = 102,747.20/x
  3. Step 3: Cross multiply
    156,433.08x = 215,821.08 × 102,747.20
  4. Step 4: Simplify right side
    156,433.08x = 22,175,011,670.98
  5. Step 5: Solve for x
    x = 22,175,011,670.98/156,433.08
  6. Step 6: Final answer
    x = 141,753.98

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.