Home / 106,867.30-160,333.04-31,989.88

Finding the Fourth Proportional to 106,867.30, 160,333.04 and 31,989.88

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Solution

The fourth proportional to 106,867.30, 160,333.04 and 31,989.88 is: 47,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,867.30 : 160,333.04 = 31,989.88 : x
  2. Step 2: Convert to fraction form
    106,867.30/160,333.04 = 31,989.88/x
  3. Step 3: Cross multiply
    106,867.30x = 160,333.04 × 31,989.88
  4. Step 4: Simplify right side
    106,867.30x = 5,129,034,709.64
  5. Step 5: Solve for x
    x = 5,129,034,709.64/106,867.30
  6. Step 6: Final answer
    x = 47,994.43

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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.