Home / 156,138.56-234,207.30-37,809.80

Finding the Fourth Proportional to 156,138.56, 234,207.30 and 37,809.80

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Solution

The fourth proportional to 156,138.56, 234,207.30 and 37,809.80 is: 56,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,138.56 : 234,207.30 = 37,809.80 : x
  2. Step 2: Convert to fraction form
    156,138.56/234,207.30 = 37,809.80/x
  3. Step 3: Cross multiply
    156,138.56x = 234,207.30 × 37,809.80
  4. Step 4: Simplify right side
    156,138.56x = 8,855,331,171.54
  5. Step 5: Solve for x
    x = 8,855,331,171.54/156,138.56
  6. Step 6: Final answer
    x = 56,714.57

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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.