Home / 151,060.61-226,435.40-80,921.09

Finding the Fourth Proportional to 151,060.61, 226,435.40 and 80,921.09

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Solution

The fourth proportional to 151,060.61, 226,435.40 and 80,921.09 is: 121,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,060.61 : 226,435.40 = 80,921.09 : x
  2. Step 2: Convert to fraction form
    151,060.61/226,435.40 = 80,921.09/x
  3. Step 3: Cross multiply
    151,060.61x = 226,435.40 × 80,921.09
  4. Step 4: Simplify right side
    151,060.61x = 18,323,398,977.98
  5. Step 5: Solve for x
    x = 18,323,398,977.98/151,060.61
  6. Step 6: Final answer
    x = 121,298.33

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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.