Home / 123,537.87-170,482.41-66,949.25

Finding the Fourth Proportional to 123,537.87, 170,482.41 and 66,949.25

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Solution

The fourth proportional to 123,537.87, 170,482.41 and 66,949.25 is: 92,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537.87 : 170,482.41 = 66,949.25 : x
  2. Step 2: Convert to fraction form
    123,537.87/170,482.41 = 66,949.25/x
  3. Step 3: Cross multiply
    123,537.87x = 170,482.41 × 66,949.25
  4. Step 4: Simplify right side
    123,537.87x = 11,413,668,635.28
  5. Step 5: Solve for x
    x = 11,413,668,635.28/123,537.87
  6. Step 6: Final answer
    x = 92,390.04

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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.