Home / 109,835.72-164,780.94-50,712.52

Finding the Fourth Proportional to 109,835.72, 164,780.94 and 50,712.52

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Solution

The fourth proportional to 109,835.72, 164,780.94 and 50,712.52 is: 76,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,835.72 : 164,780.94 = 50,712.52 : x
  2. Step 2: Convert to fraction form
    109,835.72/164,780.94 = 50,712.52/x
  3. Step 3: Cross multiply
    109,835.72x = 164,780.94 × 50,712.52
  4. Step 4: Simplify right side
    109,835.72x = 8,356,456,715.37
  5. Step 5: Solve for x
    x = 8,356,456,715.37/109,835.72
  6. Step 6: Final answer
    x = 76,081.41

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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.