Home / 104,252.92-143,940.18-66,578.20

Finding the Fourth Proportional to 104,252.92, 143,940.18 and 66,578.20

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Solution

The fourth proportional to 104,252.92, 143,940.18 and 66,578.20 is: 91,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,252.92 : 143,940.18 = 66,578.20 : x
  2. Step 2: Convert to fraction form
    104,252.92/143,940.18 = 66,578.20/x
  3. Step 3: Cross multiply
    104,252.92x = 143,940.18 × 66,578.20
  4. Step 4: Simplify right side
    104,252.92x = 9,583,278,092.08
  5. Step 5: Solve for x
    x = 9,583,278,092.08/104,252.92
  6. Step 6: Final answer
    x = 91,923.35

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1.5x scale

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.