Home / 281,868.54-422,822.70-113,389.92

Finding the Fourth Proportional to 281,868.54, 422,822.70 and 113,389.92

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Solution

The fourth proportional to 281,868.54, 422,822.70 and 113,389.92 is: 170,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,868.54 : 422,822.70 = 113,389.92 : x
  2. Step 2: Convert to fraction form
    281,868.54/422,822.70 = 113,389.92/x
  3. Step 3: Cross multiply
    281,868.54x = 422,822.70 × 113,389.92
  4. Step 4: Simplify right side
    281,868.54x = 47,943,832,127.18
  5. Step 5: Solve for x
    x = 47,943,832,127.18/281,868.54
  6. Step 6: Final answer
    x = 170,092.88

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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.