Home / 122,856.36-184,284.39-38,623.88

Finding the Fourth Proportional to 122,856.36, 184,284.39 and 38,623.88

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Solution

The fourth proportional to 122,856.36, 184,284.39 and 38,623.88 is: 57,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,856.36 : 184,284.39 = 38,623.88 : x
  2. Step 2: Convert to fraction form
    122,856.36/184,284.39 = 38,623.88/x
  3. Step 3: Cross multiply
    122,856.36x = 184,284.39 × 38,623.88
  4. Step 4: Simplify right side
    122,856.36x = 7,117,777,050.69
  5. Step 5: Solve for x
    x = 7,117,777,050.69/122,856.36
  6. Step 6: Final answer
    x = 57,935.76

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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.