Home / 179,640.96-247,885.44-99,063.20

Finding the Fourth Proportional to 179,640.96, 247,885.44 and 99,063.20

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Solution

The fourth proportional to 179,640.96, 247,885.44 and 99,063.20 is: 136,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640.96 : 247,885.44 = 99,063.20 : x
  2. Step 2: Convert to fraction form
    179,640.96/247,885.44 = 99,063.20/x
  3. Step 3: Cross multiply
    179,640.96x = 247,885.44 × 99,063.20
  4. Step 4: Simplify right side
    179,640.96x = 24,556,324,919.81
  5. Step 5: Solve for x
    x = 24,556,324,919.81/179,640.96
  6. Step 6: Final answer
    x = 136,696.69

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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.