Home / 133,439.90-184,102.35-76,850.06

Finding the Fourth Proportional to 133,439.90, 184,102.35 and 76,850.06

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Solution

The fourth proportional to 133,439.90, 184,102.35 and 76,850.06 is: 106,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.90 : 184,102.35 = 76,850.06 : x
  2. Step 2: Convert to fraction form
    133,439.90/184,102.35 = 76,850.06/x
  3. Step 3: Cross multiply
    133,439.90x = 184,102.35 × 76,850.06
  4. Step 4: Simplify right side
    133,439.90x = 14,148,276,643.64
  5. Step 5: Solve for x
    x = 14,148,276,643.64/133,439.90
  6. Step 6: Final answer
    x = 106,027.33

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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.