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Finding the Fourth Proportional to 111,730.16, 167,559.24 and 36,832.88

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Solution

The fourth proportional to 111,730.16, 167,559.24 and 36,832.88 is: 55,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,730.16 : 167,559.24 = 36,832.88 : x
  2. Step 2: Convert to fraction form
    111,730.16/167,559.24 = 36,832.88/x
  3. Step 3: Cross multiply
    111,730.16x = 167,559.24 × 36,832.88
  4. Step 4: Simplify right side
    111,730.16x = 6,171,689,379.81
  5. Step 5: Solve for x
    x = 6,171,689,379.81/111,730.16
  6. Step 6: Final answer
    x = 55,237.45

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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.