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Finding the Fourth Proportional to 119,313.88, 164,654.28 and 65,599.27

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Solution

The fourth proportional to 119,313.88, 164,654.28 and 65,599.27 is: 90,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,313.88 : 164,654.28 = 65,599.27 : x
  2. Step 2: Convert to fraction form
    119,313.88/164,654.28 = 65,599.27/x
  3. Step 3: Cross multiply
    119,313.88x = 164,654.28 × 65,599.27
  4. Step 4: Simplify right side
    119,313.88x = 10,801,200,570.38
  5. Step 5: Solve for x
    x = 10,801,200,570.38/119,313.88
  6. Step 6: Final answer
    x = 90,527.61

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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.