Home / 123,427.10-170,329.92-66,838.52

Finding the Fourth Proportional to 123,427.10, 170,329.92 and 66,838.52

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Solution

The fourth proportional to 123,427.10, 170,329.92 and 66,838.52 is: 92,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427.10 : 170,329.92 = 66,838.52 : x
  2. Step 2: Convert to fraction form
    123,427.10/170,329.92 = 66,838.52/x
  3. Step 3: Cross multiply
    123,427.10x = 170,329.92 × 66,838.52
  4. Step 4: Simplify right side
    123,427.10x = 11,384,599,764.52
  5. Step 5: Solve for x
    x = 11,384,599,764.52/123,427.10
  6. Step 6: Final answer
    x = 92,237.44

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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.