Home / 111,946.20-167,977.62-49,602.12

Finding the Fourth Proportional to 111,946.20, 167,977.62 and 49,602.12

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Solution

The fourth proportional to 111,946.20, 167,977.62 and 49,602.12 is: 74,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,946.20 : 167,977.62 = 49,602.12 : x
  2. Step 2: Convert to fraction form
    111,946.20/167,977.62 = 49,602.12/x
  3. Step 3: Cross multiply
    111,946.20x = 167,977.62 × 49,602.12
  4. Step 4: Simplify right side
    111,946.20x = 8,332,046,064.55
  5. Step 5: Solve for x
    x = 8,332,046,064.55/111,946.20
  6. Step 6: Final answer
    x = 74,429.02

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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.