Home / 156,490.32-234,735.48-38,162.68

Finding the Fourth Proportional to 156,490.32, 234,735.48 and 38,162.68

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Solution

The fourth proportional to 156,490.32, 234,735.48 and 38,162.68 is: 57,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,490.32 : 234,735.48 = 38,162.68 : x
  2. Step 2: Convert to fraction form
    156,490.32/234,735.48 = 38,162.68/x
  3. Step 3: Cross multiply
    156,490.32x = 234,735.48 × 38,162.68
  4. Step 4: Simplify right side
    156,490.32x = 8,958,135,007.89
  5. Step 5: Solve for x
    x = 8,958,135,007.89/156,490.32
  6. Step 6: Final answer
    x = 57,244.02

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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.