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Finding the Fourth Proportional to 120,671.72, 181,033.60 and 36,424.84

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Solution

The fourth proportional to 120,671.72, 181,033.60 and 36,424.84 is: 54,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,671.72 : 181,033.60 = 36,424.84 : x
  2. Step 2: Convert to fraction form
    120,671.72/181,033.60 = 36,424.84/x
  3. Step 3: Cross multiply
    120,671.72x = 181,033.60 × 36,424.84
  4. Step 4: Simplify right side
    120,671.72x = 6,594,119,914.62
  5. Step 5: Solve for x
    x = 6,594,119,914.62/120,671.72
  6. Step 6: Final answer
    x = 54,645.11

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1.5x scale

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.