Home / 179,152.94-247,104.60-121,758.57

Finding the Fourth Proportional to 179,152.94, 247,104.60 and 121,758.57

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Solution

The fourth proportional to 179,152.94, 247,104.60 and 121,758.57 is: 167,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,152.94 : 247,104.60 = 121,758.57 : x
  2. Step 2: Convert to fraction form
    179,152.94/247,104.60 = 121,758.57/x
  3. Step 3: Cross multiply
    179,152.94x = 247,104.60 × 121,758.57
  4. Step 4: Simplify right side
    179,152.94x = 30,087,102,736.42
  5. Step 5: Solve for x
    x = 30,087,102,736.42/179,152.94
  6. Step 6: Final answer
    x = 167,940.88

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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.