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Finding the Fourth Proportional to 132,406.78, 198,547.73 and 48,107.49

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Solution

The fourth proportional to 132,406.78, 198,547.73 and 48,107.49 is: 72,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,406.78 : 198,547.73 = 48,107.49 : x
  2. Step 2: Convert to fraction form
    132,406.78/198,547.73 = 48,107.49/x
  3. Step 3: Cross multiply
    132,406.78x = 198,547.73 × 48,107.49
  4. Step 4: Simplify right side
    132,406.78x = 9,551,632,935.50
  5. Step 5: Solve for x
    x = 9,551,632,935.50/132,406.78
  6. Step 6: Final answer
    x = 72,138.55

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