Home / 110,961.22-166,177.63-70,855.98

Finding the Fourth Proportional to 110,961.22, 166,177.63 and 70,855.98

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Solution

The fourth proportional to 110,961.22, 166,177.63 and 70,855.98 is: 106,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.22 : 166,177.63 = 70,855.98 : x
  2. Step 2: Convert to fraction form
    110,961.22/166,177.63 = 70,855.98/x
  3. Step 3: Cross multiply
    110,961.22x = 166,177.63 × 70,855.98
  4. Step 4: Simplify right side
    110,961.22x = 11,774,679,214.53
  5. Step 5: Solve for x
    x = 11,774,679,214.53/110,961.22
  6. Step 6: Final answer
    x = 106,115.26

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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.