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Finding the Fourth Proportional to 119,890, 179,838.30 and 36,784

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Solution

The fourth proportional to 119,890, 179,838.30 and 36,784 is: 55,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,890 : 179,838.30 = 36,784 : x
  2. Step 2: Convert to fraction form
    119,890/179,838.30 = 36,784/x
  3. Step 3: Cross multiply
    119,890x = 179,838.30 × 36,784
  4. Step 4: Simplify right side
    119,890x = 6,615,172,027.20
  5. Step 5: Solve for x
    x = 6,615,172,027.20/119,890
  6. Step 6: Final answer
    x = 55,177.01

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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.