Home / 133,705.84-184,499.61-76,339.75

Finding the Fourth Proportional to 133,705.84, 184,499.61 and 76,339.75

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Solution

The fourth proportional to 133,705.84, 184,499.61 and 76,339.75 is: 105,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,705.84 : 184,499.61 = 76,339.75 : x
  2. Step 2: Convert to fraction form
    133,705.84/184,499.61 = 76,339.75/x
  3. Step 3: Cross multiply
    133,705.84x = 184,499.61 × 76,339.75
  4. Step 4: Simplify right side
    133,705.84x = 14,084,654,102.50
  5. Step 5: Solve for x
    x = 14,084,654,102.50/133,705.84
  6. Step 6: Final answer
    x = 105,340.61

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1.5x scale

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.