Home / 156,108.18-234,255.70-67,361.68

Finding the Fourth Proportional to 156,108.18, 234,255.70 and 67,361.68

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Solution

The fourth proportional to 156,108.18, 234,255.70 and 67,361.68 is: 101,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,108.18 : 234,255.70 = 67,361.68 : x
  2. Step 2: Convert to fraction form
    156,108.18/234,255.70 = 67,361.68/x
  3. Step 3: Cross multiply
    156,108.18x = 234,255.70 × 67,361.68
  4. Step 4: Simplify right side
    156,108.18x = 15,779,857,501.58
  5. Step 5: Solve for x
    x = 15,779,857,501.58/156,108.18
  6. Step 6: Final answer
    x = 101,082.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.