Home / 104,310.52-143,895.20-66,005.62

Finding the Fourth Proportional to 104,310.52, 143,895.20 and 66,005.62

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Solution

The fourth proportional to 104,310.52, 143,895.20 and 66,005.62 is: 91,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,310.52 : 143,895.20 = 66,005.62 : x
  2. Step 2: Convert to fraction form
    104,310.52/143,895.20 = 66,005.62/x
  3. Step 3: Cross multiply
    104,310.52x = 143,895.20 × 66,005.62
  4. Step 4: Simplify right side
    104,310.52x = 9,497,891,891.02
  5. Step 5: Solve for x
    x = 9,497,891,891.02/104,310.52
  6. Step 6: Final answer
    x = 91,054.02

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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.