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Finding the Fourth Proportional to 101,471.92, 152,178.48 and 39,127.84

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Solution

The fourth proportional to 101,471.92, 152,178.48 and 39,127.84 is: 58,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,471.92 : 152,178.48 = 39,127.84 : x
  2. Step 2: Convert to fraction form
    101,471.92/152,178.48 = 39,127.84/x
  3. Step 3: Cross multiply
    101,471.92x = 152,178.48 × 39,127.84
  4. Step 4: Simplify right side
    101,471.92x = 5,954,415,216.88
  5. Step 5: Solve for x
    x = 5,954,415,216.88/101,471.92
  6. Step 6: Final answer
    x = 58,680.42

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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.