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Finding the Fourth Proportional to 89,161.70, 133,668.84 and 69,527.30

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Solution

The fourth proportional to 89,161.70, 133,668.84 and 69,527.30 is: 104,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.70 : 133,668.84 = 69,527.30 : x
  2. Step 2: Convert to fraction form
    89,161.70/133,668.84 = 69,527.30/x
  3. Step 3: Cross multiply
    89,161.70x = 133,668.84 × 69,527.30
  4. Step 4: Simplify right side
    89,161.70x = 9,293,633,539.33
  5. Step 5: Solve for x
    x = 9,293,633,539.33/89,161.70
  6. Step 6: Final answer
    x = 104,233.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.