Home / 109,956.20-164,907.90-31,077.80

Finding the Fourth Proportional to 109,956.20, 164,907.90 and 31,077.80

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Solution

The fourth proportional to 109,956.20, 164,907.90 and 31,077.80 is: 46,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956.20 : 164,907.90 = 31,077.80 : x
  2. Step 2: Convert to fraction form
    109,956.20/164,907.90 = 31,077.80/x
  3. Step 3: Cross multiply
    109,956.20x = 164,907.90 × 31,077.80
  4. Step 4: Simplify right side
    109,956.20x = 5,124,974,734.62
  5. Step 5: Solve for x
    x = 5,124,974,734.62/109,956.20
  6. Step 6: Final answer
    x = 46,609.24

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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.