Home / 281,643.28-422,490.89-92,104.63

Finding the Fourth Proportional to 281,643.28, 422,490.89 and 92,104.63

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Solution

The fourth proportional to 281,643.28, 422,490.89 and 92,104.63 is: 138,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,643.28 : 422,490.89 = 92,104.63 : x
  2. Step 2: Convert to fraction form
    281,643.28/422,490.89 = 92,104.63/x
  3. Step 3: Cross multiply
    281,643.28x = 422,490.89 × 92,104.63
  4. Step 4: Simplify right side
    281,643.28x = 38,913,367,101.82
  5. Step 5: Solve for x
    x = 38,913,367,101.82/281,643.28
  6. Step 6: Final answer
    x = 138,165.44

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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.