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Finding the Fourth Proportional to 131,453.60, 197,007.60 and 116,592.80

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Solution

The fourth proportional to 131,453.60, 197,007.60 and 116,592.80 is: 174,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,453.60 : 197,007.60 = 116,592.80 : x
  2. Step 2: Convert to fraction form
    131,453.60/197,007.60 = 116,592.80/x
  3. Step 3: Cross multiply
    131,453.60x = 197,007.60 × 116,592.80
  4. Step 4: Simplify right side
    131,453.60x = 22,969,667,705.28
  5. Step 5: Solve for x
    x = 22,969,667,705.28/131,453.60
  6. Step 6: Final answer
    x = 174,735.94

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1.5x scale

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.