Home / 281,521.68-422,317.32-92,001.12

Finding the Fourth Proportional to 281,521.68, 422,317.32 and 92,001.12

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Solution

The fourth proportional to 281,521.68, 422,317.32 and 92,001.12 is: 138,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,521.68 : 422,317.32 = 92,001.12 : x
  2. Step 2: Convert to fraction form
    281,521.68/422,317.32 = 92,001.12/x
  3. Step 3: Cross multiply
    281,521.68x = 422,317.32 × 92,001.12
  4. Step 4: Simplify right side
    281,521.68x = 38,853,666,435.40
  5. Step 5: Solve for x
    x = 38,853,666,435.40/281,521.68
  6. Step 6: Final answer
    x = 138,013.05

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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.