Home / 135,377.08-203,009.64-51,122.92

Finding the Fourth Proportional to 135,377.08, 203,009.64 and 51,122.92

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Solution

The fourth proportional to 135,377.08, 203,009.64 and 51,122.92 is: 76,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,377.08 : 203,009.64 = 51,122.92 : x
  2. Step 2: Convert to fraction form
    135,377.08/203,009.64 = 51,122.92/x
  3. Step 3: Cross multiply
    135,377.08x = 203,009.64 × 51,122.92
  4. Step 4: Simplify right side
    135,377.08x = 10,378,445,584.95
  5. Step 5: Solve for x
    x = 10,378,445,584.95/135,377.08
  6. Step 6: Final answer
    x = 76,663.24

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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.