Home / 133,664.72-184,411.86-76,262.80

Finding the Fourth Proportional to 133,664.72, 184,411.86 and 76,262.80

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Solution

The fourth proportional to 133,664.72, 184,411.86 and 76,262.80 is: 105,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,664.72 : 184,411.86 = 76,262.80 : x
  2. Step 2: Convert to fraction form
    133,664.72/184,411.86 = 76,262.80/x
  3. Step 3: Cross multiply
    133,664.72x = 184,411.86 × 76,262.80
  4. Step 4: Simplify right side
    133,664.72x = 14,063,764,796.81
  5. Step 5: Solve for x
    x = 14,063,764,796.81/133,664.72
  6. Step 6: Final answer
    x = 105,216.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.