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Finding the Fourth Proportional to 111,407.58, 167,179.41 and 48,244.59

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Solution

The fourth proportional to 111,407.58, 167,179.41 and 48,244.59 is: 72,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,407.58 : 167,179.41 = 48,244.59 : x
  2. Step 2: Convert to fraction form
    111,407.58/167,179.41 = 48,244.59/x
  3. Step 3: Cross multiply
    111,407.58x = 167,179.41 × 48,244.59
  4. Step 4: Simplify right side
    111,407.58x = 8,065,502,091.89
  5. Step 5: Solve for x
    x = 8,065,502,091.89/111,407.58
  6. Step 6: Final answer
    x = 72,396.35

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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.