Home / 133,074.86-199,688.84-73,905.58

Finding the Fourth Proportional to 133,074.86, 199,688.84 and 73,905.58

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Solution

The fourth proportional to 133,074.86, 199,688.84 and 73,905.58 is: 110,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.86 : 199,688.84 = 73,905.58 : x
  2. Step 2: Convert to fraction form
    133,074.86/199,688.84 = 73,905.58/x
  3. Step 3: Cross multiply
    133,074.86x = 199,688.84 × 73,905.58
  4. Step 4: Simplify right side
    133,074.86x = 14,758,119,539.73
  5. Step 5: Solve for x
    x = 14,758,119,539.73/133,074.86
  6. Step 6: Final answer
    x = 110,900.88

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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.