Home / 281,719.62-422,284.19-104,113.35

Finding the Fourth Proportional to 281,719.62, 422,284.19 and 104,113.35

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Solution

The fourth proportional to 281,719.62, 422,284.19 and 104,113.35 is: 156,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,719.62 : 422,284.19 = 104,113.35 : x
  2. Step 2: Convert to fraction form
    281,719.62/422,284.19 = 104,113.35/x
  3. Step 3: Cross multiply
    281,719.62x = 422,284.19 × 104,113.35
  4. Step 4: Simplify right side
    281,719.62x = 43,965,421,152.37
  5. Step 5: Solve for x
    x = 43,965,421,152.37/281,719.62
  6. Step 6: Final answer
    x = 156,060.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.