Home / 111,108.29-166,679.73-36,211.05

Finding the Fourth Proportional to 111,108.29, 166,679.73 and 36,211.05

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Solution

The fourth proportional to 111,108.29, 166,679.73 and 36,211.05 is: 54,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,108.29 : 166,679.73 = 36,211.05 : x
  2. Step 2: Convert to fraction form
    111,108.29/166,679.73 = 36,211.05/x
  3. Step 3: Cross multiply
    111,108.29x = 166,679.73 × 36,211.05
  4. Step 4: Simplify right side
    111,108.29x = 6,035,648,037.02
  5. Step 5: Solve for x
    x = 6,035,648,037.02/111,108.29
  6. Step 6: Final answer
    x = 54,322.21

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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.