Home / 93,940.82-129,491.07-71,188.73

Finding the Fourth Proportional to 93,940.82, 129,491.07 and 71,188.73

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Solution

The fourth proportional to 93,940.82, 129,491.07 and 71,188.73 is: 98,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.82 : 129,491.07 = 71,188.73 : x
  2. Step 2: Convert to fraction form
    93,940.82/129,491.07 = 71,188.73/x
  3. Step 3: Cross multiply
    93,940.82x = 129,491.07 × 71,188.73
  4. Step 4: Simplify right side
    93,940.82x = 9,218,304,791.26
  5. Step 5: Solve for x
    x = 9,218,304,791.26/93,940.82
  6. Step 6: Final answer
    x = 98,128.85

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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.