Home / 105,899.64-158,849.60-74,450.35

Finding the Fourth Proportional to 105,899.64, 158,849.60 and 74,450.35

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Solution

The fourth proportional to 105,899.64, 158,849.60 and 74,450.35 is: 111,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,899.64 : 158,849.60 = 74,450.35 : x
  2. Step 2: Convert to fraction form
    105,899.64/158,849.60 = 74,450.35/x
  3. Step 3: Cross multiply
    105,899.64x = 158,849.60 × 74,450.35
  4. Step 4: Simplify right side
    105,899.64x = 11,826,408,143.67
  5. Step 5: Solve for x
    x = 11,826,408,143.67/105,899.64
  6. Step 6: Final answer
    x = 111,675.63

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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.