Home / 109,351.20-164,033.28-34,473.72

Finding the Fourth Proportional to 109,351.20, 164,033.28 and 34,473.72

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Solution

The fourth proportional to 109,351.20, 164,033.28 and 34,473.72 is: 51,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,351.20 : 164,033.28 = 34,473.72 : x
  2. Step 2: Convert to fraction form
    109,351.20/164,033.28 = 34,473.72/x
  3. Step 3: Cross multiply
    109,351.20x = 164,033.28 × 34,473.72
  4. Step 4: Simplify right side
    109,351.20x = 5,654,837,365.40
  5. Step 5: Solve for x
    x = 5,654,837,365.40/109,351.20
  6. Step 6: Final answer
    x = 51,712.62

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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.