Home / 133,438.90-184,100.97-76,849.06

Finding the Fourth Proportional to 133,438.90, 184,100.97 and 76,849.06

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Solution

The fourth proportional to 133,438.90, 184,100.97 and 76,849.06 is: 106,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.90 : 184,100.97 = 76,849.06 : x
  2. Step 2: Convert to fraction form
    133,438.90/184,100.97 = 76,849.06/x
  3. Step 3: Cross multiply
    133,438.90x = 184,100.97 × 76,849.06
  4. Step 4: Simplify right side
    133,438.90x = 14,147,986,489.59
  5. Step 5: Solve for x
    x = 14,147,986,489.59/133,438.90
  6. Step 6: Final answer
    x = 106,025.95

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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.