Home / 281,619.78-422,523.99-92,088.90

Finding the Fourth Proportional to 281,619.78, 422,523.99 and 92,088.90

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Solution

The fourth proportional to 281,619.78, 422,523.99 and 92,088.90 is: 138,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,619.78 : 422,523.99 = 92,088.90 : x
  2. Step 2: Convert to fraction form
    281,619.78/422,523.99 = 92,088.90/x
  3. Step 3: Cross multiply
    281,619.78x = 422,523.99 × 92,088.90
  4. Step 4: Simplify right side
    281,619.78x = 38,909,769,462.71
  5. Step 5: Solve for x
    x = 38,909,769,462.71/281,619.78
  6. Step 6: Final answer
    x = 138,164.19

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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.