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Finding the Fourth Proportional to 132,655, 183,064.08 and 73,039

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Solution

The fourth proportional to 132,655, 183,064.08 and 73,039 is: 100,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,655 : 183,064.08 = 73,039 : x
  2. Step 2: Convert to fraction form
    132,655/183,064.08 = 73,039/x
  3. Step 3: Cross multiply
    132,655x = 183,064.08 × 73,039
  4. Step 4: Simplify right side
    132,655x = 13,370,817,339.12
  5. Step 5: Solve for x
    x = 13,370,817,339.12/132,655
  6. Step 6: Final answer
    x = 100,793.92

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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.