Home / 110,987.18-166,505.42-51,790.56

Finding the Fourth Proportional to 110,987.18, 166,505.42 and 51,790.56

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Solution

The fourth proportional to 110,987.18, 166,505.42 and 51,790.56 is: 77,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,987.18 : 166,505.42 = 51,790.56 : x
  2. Step 2: Convert to fraction form
    110,987.18/166,505.42 = 51,790.56/x
  3. Step 3: Cross multiply
    110,987.18x = 166,505.42 × 51,790.56
  4. Step 4: Simplify right side
    110,987.18x = 8,623,408,449.92
  5. Step 5: Solve for x
    x = 8,623,408,449.92/110,987.18
  6. Step 6: Final answer
    x = 77,697.34

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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.