Home / 102,997.13-154,456.82-47,554.25

Finding the Fourth Proportional to 102,997.13, 154,456.82 and 47,554.25

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Solution

The fourth proportional to 102,997.13, 154,456.82 and 47,554.25 is: 71,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,997.13 : 154,456.82 = 47,554.25 : x
  2. Step 2: Convert to fraction form
    102,997.13/154,456.82 = 47,554.25/x
  3. Step 3: Cross multiply
    102,997.13x = 154,456.82 × 47,554.25
  4. Step 4: Simplify right side
    102,997.13x = 7,345,077,994.71
  5. Step 5: Solve for x
    x = 7,345,077,994.71/102,997.13
  6. Step 6: Final answer
    x = 71,313.42

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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.