Home / 156,619.90-234,784.05-109,234.90

Finding the Fourth Proportional to 156,619.90, 234,784.05 and 109,234.90

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Solution

The fourth proportional to 156,619.90, 234,784.05 and 109,234.90 is: 163,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619.90 : 234,784.05 = 109,234.90 : x
  2. Step 2: Convert to fraction form
    156,619.90/234,784.05 = 109,234.90/x
  3. Step 3: Cross multiply
    156,619.90x = 234,784.05 × 109,234.90
  4. Step 4: Simplify right side
    156,619.90x = 25,646,612,223.35
  5. Step 5: Solve for x
    x = 25,646,612,223.35/156,619.90
  6. Step 6: Final answer
    x = 163,750.66

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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.