Home / 109,317.11-163,994.40-50,157.86

Finding the Fourth Proportional to 109,317.11, 163,994.40 and 50,157.86

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Solution

The fourth proportional to 109,317.11, 163,994.40 and 50,157.86 is: 75,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,317.11 : 163,994.40 = 50,157.86 : x
  2. Step 2: Convert to fraction form
    109,317.11/163,994.40 = 50,157.86/x
  3. Step 3: Cross multiply
    109,317.11x = 163,994.40 × 50,157.86
  4. Step 4: Simplify right side
    109,317.11x = 8,225,608,155.98
  5. Step 5: Solve for x
    x = 8,225,608,155.98/109,317.11
  6. Step 6: Final answer
    x = 75,245.39

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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.