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Finding the Fourth Proportional to 111,953.33, 167,952.14 and 31,992.02

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Solution

The fourth proportional to 111,953.33, 167,952.14 and 31,992.02 is: 47,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,953.33 : 167,952.14 = 31,992.02 : x
  2. Step 2: Convert to fraction form
    111,953.33/167,952.14 = 31,992.02/x
  3. Step 3: Cross multiply
    111,953.33x = 167,952.14 × 31,992.02
  4. Step 4: Simplify right side
    111,953.33x = 5,373,127,222.20
  5. Step 5: Solve for x
    x = 5,373,127,222.20/111,953.33
  6. Step 6: Final answer
    x = 47,994.35

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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.