Home / 136,342.56-188,152.32-75,911.64

Finding the Fourth Proportional to 136,342.56, 188,152.32 and 75,911.64

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Solution

The fourth proportional to 136,342.56, 188,152.32 and 75,911.64 is: 104,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,342.56 : 188,152.32 = 75,911.64 : x
  2. Step 2: Convert to fraction form
    136,342.56/188,152.32 = 75,911.64/x
  3. Step 3: Cross multiply
    136,342.56x = 188,152.32 × 75,911.64
  4. Step 4: Simplify right side
    136,342.56x = 14,282,951,181.00
  5. Step 5: Solve for x
    x = 14,282,951,181.00/136,342.56
  6. Step 6: Final answer
    x = 104,757.83

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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.