Home / 109,163.56-150,635.04-61,415.92

Finding the Fourth Proportional to 109,163.56, 150,635.04 and 61,415.92

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Solution

The fourth proportional to 109,163.56, 150,635.04 and 61,415.92 is: 84,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,163.56 : 150,635.04 = 61,415.92 : x
  2. Step 2: Convert to fraction form
    109,163.56/150,635.04 = 61,415.92/x
  3. Step 3: Cross multiply
    109,163.56x = 150,635.04 × 61,415.92
  4. Step 4: Simplify right side
    109,163.56x = 9,251,389,565.84
  5. Step 5: Solve for x
    x = 9,251,389,565.84/109,163.56
  6. Step 6: Final answer
    x = 84,747.97

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Why These Related Problems?

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