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Finding the Fourth Proportional to 119,468.61, 179,180.60 and 48,372.45

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Solution

The fourth proportional to 119,468.61, 179,180.60 and 48,372.45 is: 72,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,468.61 : 179,180.60 = 48,372.45 : x
  2. Step 2: Convert to fraction form
    119,468.61/179,180.60 = 48,372.45/x
  3. Step 3: Cross multiply
    119,468.61x = 179,180.60 × 48,372.45
  4. Step 4: Simplify right side
    119,468.61x = 8,667,404,372.61
  5. Step 5: Solve for x
    x = 8,667,404,372.61/119,468.61
  6. Step 6: Final answer
    x = 72,549.64

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Why These Related Problems?

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