Home / 121,835.60-182,310.52-100,577.96

Finding the Fourth Proportional to 121,835.60, 182,310.52 and 100,577.96

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Solution

The fourth proportional to 121,835.60, 182,310.52 and 100,577.96 is: 150,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,835.60 : 182,310.52 = 100,577.96 : x
  2. Step 2: Convert to fraction form
    121,835.60/182,310.52 = 100,577.96/x
  3. Step 3: Cross multiply
    121,835.60x = 182,310.52 × 100,577.96
  4. Step 4: Simplify right side
    121,835.60x = 18,336,420,188.14
  5. Step 5: Solve for x
    x = 18,336,420,188.14/121,835.60
  6. Step 6: Final answer
    x = 150,501.33

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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.