Home / 219,472.29-302,896.38-123,985.14

Finding the Fourth Proportional to 219,472.29, 302,896.38 and 123,985.14

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Solution

The fourth proportional to 219,472.29, 302,896.38 and 123,985.14 is: 171,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472.29 : 302,896.38 = 123,985.14 : x
  2. Step 2: Convert to fraction form
    219,472.29/302,896.38 = 123,985.14/x
  3. Step 3: Cross multiply
    219,472.29x = 302,896.38 × 123,985.14
  4. Step 4: Simplify right side
    219,472.29x = 37,554,647,945.39
  5. Step 5: Solve for x
    x = 37,554,647,945.39/219,472.29
  6. Step 6: Final answer
    x = 171,113.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.