Home / 156,249.70-234,305.43-45,450.34

Finding the Fourth Proportional to 156,249.70, 234,305.43 and 45,450.34

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Solution

The fourth proportional to 156,249.70, 234,305.43 and 45,450.34 is: 68,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,249.70 : 234,305.43 = 45,450.34 : x
  2. Step 2: Convert to fraction form
    156,249.70/234,305.43 = 45,450.34/x
  3. Step 3: Cross multiply
    156,249.70x = 234,305.43 × 45,450.34
  4. Step 4: Simplify right side
    156,249.70x = 10,649,261,457.35
  5. Step 5: Solve for x
    x = 10,649,261,457.35/156,249.70
  6. Step 6: Final answer
    x = 68,155.40

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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.