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Finding the Fourth Proportional to 197,142.60, 295,859.70 and 130,560.60

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Solution

The fourth proportional to 197,142.60, 295,859.70 and 130,560.60 is: 195,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,142.60 : 295,859.70 = 130,560.60 : x
  2. Step 2: Convert to fraction form
    197,142.60/295,859.70 = 130,560.60/x
  3. Step 3: Cross multiply
    197,142.60x = 295,859.70 × 130,560.60
  4. Step 4: Simplify right side
    197,142.60x = 38,627,619,947.82
  5. Step 5: Solve for x
    x = 38,627,619,947.82/197,142.60
  6. Step 6: Final answer
    x = 195,937.46

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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.