Home / 151,311.44-208,614.60-123,985.91

Finding the Fourth Proportional to 151,311.44, 208,614.60 and 123,985.91

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Solution

The fourth proportional to 151,311.44, 208,614.60 and 123,985.91 is: 170,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,311.44 : 208,614.60 = 123,985.91 : x
  2. Step 2: Convert to fraction form
    151,311.44/208,614.60 = 123,985.91/x
  3. Step 3: Cross multiply
    151,311.44x = 208,614.60 × 123,985.91
  4. Step 4: Simplify right side
    151,311.44x = 25,865,269,977.21
  5. Step 5: Solve for x
    x = 25,865,269,977.21/151,311.44
  6. Step 6: Final answer
    x = 170,940.62

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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.