Home / 156,379.21-234,893.76-126,427.30

Finding the Fourth Proportional to 156,379.21, 234,893.76 and 126,427.30

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Solution

The fourth proportional to 156,379.21, 234,893.76 and 126,427.30 is: 189,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,379.21 : 234,893.76 = 126,427.30 : x
  2. Step 2: Convert to fraction form
    156,379.21/234,893.76 = 126,427.30/x
  3. Step 3: Cross multiply
    156,379.21x = 234,893.76 × 126,427.30
  4. Step 4: Simplify right side
    156,379.21x = 29,696,983,863.65
  5. Step 5: Solve for x
    x = 29,696,983,863.65/156,379.21
  6. Step 6: Final answer
    x = 189,903.66

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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.