Home / 107,654.80-161,377.44-51,480.32

Finding the Fourth Proportional to 107,654.80, 161,377.44 and 51,480.32

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Solution

The fourth proportional to 107,654.80, 161,377.44 and 51,480.32 is: 77,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,654.80 : 161,377.44 = 51,480.32 : x
  2. Step 2: Convert to fraction form
    107,654.80/161,377.44 = 51,480.32/x
  3. Step 3: Cross multiply
    107,654.80x = 161,377.44 × 51,480.32
  4. Step 4: Simplify right side
    107,654.80x = 8,307,762,251.98
  5. Step 5: Solve for x
    x = 8,307,762,251.98/107,654.80
  6. Step 6: Final answer
    x = 77,170.38

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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.