Home / 126,902.47-190,333.05-47,997.94

Finding the Fourth Proportional to 126,902.47, 190,333.05 and 47,997.94

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Solution

The fourth proportional to 126,902.47, 190,333.05 and 47,997.94 is: 71,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.47 : 190,333.05 = 47,997.94 : x
  2. Step 2: Convert to fraction form
    126,902.47/190,333.05 = 47,997.94/x
  3. Step 3: Cross multiply
    126,902.47x = 190,333.05 × 47,997.94
  4. Step 4: Simplify right side
    126,902.47x = 9,135,594,313.92
  5. Step 5: Solve for x
    x = 9,135,594,313.92/126,902.47
  6. Step 6: Final answer
    x = 71,989.10

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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.