Home / 133,628.14-184,279.62-79,904.62

Finding the Fourth Proportional to 133,628.14, 184,279.62 and 79,904.62

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Solution

The fourth proportional to 133,628.14, 184,279.62 and 79,904.62 is: 110,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,628.14 : 184,279.62 = 79,904.62 : x
  2. Step 2: Convert to fraction form
    133,628.14/184,279.62 = 79,904.62/x
  3. Step 3: Cross multiply
    133,628.14x = 184,279.62 × 79,904.62
  4. Step 4: Simplify right side
    133,628.14x = 14,724,793,009.84
  5. Step 5: Solve for x
    x = 14,724,793,009.84/133,628.14
  6. Step 6: Final answer
    x = 110,192.31

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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.