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Finding the Fourth Proportional to 126,111.47, 174,035 and 69,524.87

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Solution

The fourth proportional to 126,111.47, 174,035 and 69,524.87 is: 95,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111.47 : 174,035 = 69,524.87 : x
  2. Step 2: Convert to fraction form
    126,111.47/174,035 = 69,524.87/x
  3. Step 3: Cross multiply
    126,111.47x = 174,035 × 69,524.87
  4. Step 4: Simplify right side
    126,111.47x = 12,099,760,750.45
  5. Step 5: Solve for x
    x = 12,099,760,750.45/126,111.47
  6. Step 6: Final answer
    x = 95,944.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.