Home / 156,636.40-234,954.60-51,441.70

Finding the Fourth Proportional to 156,636.40, 234,954.60 and 51,441.70

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Solution

The fourth proportional to 156,636.40, 234,954.60 and 51,441.70 is: 77,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.40 : 234,954.60 = 51,441.70 : x
  2. Step 2: Convert to fraction form
    156,636.40/234,954.60 = 51,441.70/x
  3. Step 3: Cross multiply
    156,636.40x = 234,954.60 × 51,441.70
  4. Step 4: Simplify right side
    156,636.40x = 12,086,464,046.82
  5. Step 5: Solve for x
    x = 12,086,464,046.82/156,636.40
  6. Step 6: Final answer
    x = 77,162.55

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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.