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Finding the Fourth Proportional to 132,497.75, 182,849.78 and 72,881.75

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Solution

The fourth proportional to 132,497.75, 182,849.78 and 72,881.75 is: 100,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,497.75 : 182,849.78 = 72,881.75 : x
  2. Step 2: Convert to fraction form
    132,497.75/182,849.78 = 72,881.75/x
  3. Step 3: Cross multiply
    132,497.75x = 182,849.78 × 72,881.75
  4. Step 4: Simplify right side
    132,497.75x = 13,326,411,953.52
  5. Step 5: Solve for x
    x = 13,326,411,953.52/132,497.75
  6. Step 6: Final answer
    x = 100,578.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.