Home / 281,586.32-422,291.12-92,003.50

Finding the Fourth Proportional to 281,586.32, 422,291.12 and 92,003.50

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Solution

The fourth proportional to 281,586.32, 422,291.12 and 92,003.50 is: 137,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,586.32 : 422,291.12 = 92,003.50 : x
  2. Step 2: Convert to fraction form
    281,586.32/422,291.12 = 92,003.50/x
  3. Step 3: Cross multiply
    281,586.32x = 422,291.12 × 92,003.50
  4. Step 4: Simplify right side
    281,586.32x = 38,852,261,058.92
  5. Step 5: Solve for x
    x = 38,852,261,058.92/281,586.32
  6. Step 6: Final answer
    x = 137,976.38

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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.