Home / 136,257.92-188,039.52-75,832.64

Finding the Fourth Proportional to 136,257.92, 188,039.52 and 75,832.64

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Solution

The fourth proportional to 136,257.92, 188,039.52 and 75,832.64 is: 104,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,257.92 : 188,039.52 = 75,832.64 : x
  2. Step 2: Convert to fraction form
    136,257.92/188,039.52 = 75,832.64/x
  3. Step 3: Cross multiply
    136,257.92x = 188,039.52 × 75,832.64
  4. Step 4: Simplify right side
    136,257.92x = 14,259,533,225.93
  5. Step 5: Solve for x
    x = 14,259,533,225.93/136,257.92
  6. Step 6: Final answer
    x = 104,651.04

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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.