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Finding the Fourth Proportional to 132,760.84, 183,209.88 and 73,144.84

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Solution

The fourth proportional to 132,760.84, 183,209.88 and 73,144.84 is: 100,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,760.84 : 183,209.88 = 73,144.84 : x
  2. Step 2: Convert to fraction form
    132,760.84/183,209.88 = 73,144.84/x
  3. Step 3: Cross multiply
    132,760.84x = 183,209.88 × 73,144.84
  4. Step 4: Simplify right side
    132,760.84x = 13,400,857,359.02
  5. Step 5: Solve for x
    x = 13,400,857,359.02/132,760.84
  6. Step 6: Final answer
    x = 100,939.84

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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.