Home / 156,684.28-234,976.56-51,478.96

Finding the Fourth Proportional to 156,684.28, 234,976.56 and 51,478.96

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Solution

The fourth proportional to 156,684.28, 234,976.56 and 51,478.96 is: 77,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,684.28 : 234,976.56 = 51,478.96 : x
  2. Step 2: Convert to fraction form
    156,684.28/234,976.56 = 51,478.96/x
  3. Step 3: Cross multiply
    156,684.28x = 234,976.56 × 51,478.96
  4. Step 4: Simplify right side
    156,684.28x = 12,096,348,933.18
  5. Step 5: Solve for x
    x = 12,096,348,933.18/156,684.28
  6. Step 6: Final answer
    x = 77,202.06

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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.