Home / 133,643.42-184,376.48-76,285.96

Finding the Fourth Proportional to 133,643.42, 184,376.48 and 76,285.96

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Solution

The fourth proportional to 133,643.42, 184,376.48 and 76,285.96 is: 105,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.42 : 184,376.48 = 76,285.96 : x
  2. Step 2: Convert to fraction form
    133,643.42/184,376.48 = 76,285.96/x
  3. Step 3: Cross multiply
    133,643.42x = 184,376.48 × 76,285.96
  4. Step 4: Simplify right side
    133,643.42x = 14,065,336,778.22
  5. Step 5: Solve for x
    x = 14,065,336,778.22/133,643.42
  6. Step 6: Final answer
    x = 105,245.26

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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.